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https://github.com/RGBCube/serenity
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LibWeb: Make internal StyleValue-parsing methods infallible
This commit is contained in:
Sam Atkins
Andreas Kling
parent
8a8cc18cf4
commit
9e1bbfbd37
3 changed files with 325 additions and 345 deletions
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@ -46,15 +46,15 @@ static Optional<Vector<TElement>> parse_color_stop_list(auto& tokens, auto is_po
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}
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// <T-percentage> <color>
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auto maybe_color = parse_color(tokens.next_token());
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if (maybe_color.is_error() || maybe_color.value() == nullptr)
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if (!maybe_color)
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return ElementType::Garbage;
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color = maybe_color.release_value();
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color = maybe_color.release_nonnull();
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} else {
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// [<color> <T-percentage>?]
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auto maybe_color = parse_color(token);
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if (maybe_color.is_error() || maybe_color.value() == nullptr)
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if (!maybe_color)
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return ElementType::Garbage;
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color = maybe_color.release_value();
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color = maybe_color.release_nonnull();
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tokens.skip_whitespace();
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// Allow up to [<color> <T-percentage> <T-percentage>] (double-position color stops)
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// Note: Double-position color stops only appear to be valid in this order.
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@ -140,7 +140,7 @@ Optional<Vector<AngularColorStopListElement>> Parser::parse_angular_color_stop_l
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[&](auto& token) { return parse_dimension(token); });
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}
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ErrorOr<RefPtr<StyleValue>> Parser::parse_linear_gradient_function(ComponentValue const& component_value)
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RefPtr<StyleValue> Parser::parse_linear_gradient_function(ComponentValue const& component_value)
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{
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using GradientType = LinearGradientStyleValue::GradientType;
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@ -268,7 +268,7 @@ ErrorOr<RefPtr<StyleValue>> Parser::parse_linear_gradient_function(ComponentValu
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return LinearGradientStyleValue::create(gradient_direction, move(*color_stops), gradient_type, repeating_gradient);
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}
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ErrorOr<RefPtr<StyleValue>> Parser::parse_conic_gradient_function(ComponentValue const& component_value)
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RefPtr<StyleValue> Parser::parse_conic_gradient_function(ComponentValue const& component_value)
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{
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if (!component_value.is_function())
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return nullptr;
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@ -365,7 +365,7 @@ ErrorOr<RefPtr<StyleValue>> Parser::parse_conic_gradient_function(ComponentValue
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return ConicGradientStyleValue::create(from_angle, at_position, move(*color_stops), repeating_gradient);
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}
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ErrorOr<RefPtr<StyleValue>> Parser::parse_radial_gradient_function(ComponentValue const& component_value)
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RefPtr<StyleValue> Parser::parse_radial_gradient_function(ComponentValue const& component_value)
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{
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using EndingShape = RadialGradientStyleValue::EndingShape;
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using Extent = RadialGradientStyleValue::Extent;
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File diff suppressed because it is too large
Load diff
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@ -64,7 +64,7 @@ public:
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RefPtr<Supports> parse_as_supports();
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ErrorOr<RefPtr<StyleValue>> parse_as_css_value(PropertyID);
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RefPtr<StyleValue> parse_as_css_value(PropertyID);
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static ErrorOr<RefPtr<StyleValue>> parse_css_value(Badge<StyleComputer>, ParsingContext const&, PropertyID, Vector<ComponentValue> const&);
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static ErrorOr<RefPtr<CalculatedStyleValue>> parse_calculated_value(Badge<StyleComputer>, ParsingContext const&, ComponentValue const&);
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@ -183,81 +183,81 @@ private:
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Optional<PositionValue> parse_position(TokenStream<ComponentValue>&, PositionValue initial_value = PositionValue::center());
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Optional<AK::URL> parse_url_function(ComponentValue const&);
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ErrorOr<RefPtr<StyleValue>> parse_url_value(ComponentValue const&);
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RefPtr<StyleValue> parse_url_value(ComponentValue const&);
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Optional<Vector<LinearColorStopListElement>> parse_linear_color_stop_list(TokenStream<ComponentValue>&);
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Optional<Vector<AngularColorStopListElement>> parse_angular_color_stop_list(TokenStream<ComponentValue>&);
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ErrorOr<RefPtr<StyleValue>> parse_linear_gradient_function(ComponentValue const&);
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ErrorOr<RefPtr<StyleValue>> parse_conic_gradient_function(ComponentValue const&);
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ErrorOr<RefPtr<StyleValue>> parse_radial_gradient_function(ComponentValue const&);
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RefPtr<StyleValue> parse_linear_gradient_function(ComponentValue const&);
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RefPtr<StyleValue> parse_conic_gradient_function(ComponentValue const&);
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RefPtr<StyleValue> parse_radial_gradient_function(ComponentValue const&);
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ParseErrorOr<NonnullRefPtr<StyleValue>> parse_css_value(PropertyID, TokenStream<ComponentValue>&);
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ErrorOr<RefPtr<StyleValue>> parse_css_value_for_property(PropertyID, TokenStream<ComponentValue>&);
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RefPtr<StyleValue> parse_css_value_for_property(PropertyID, TokenStream<ComponentValue>&);
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struct PropertyAndValue {
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PropertyID property;
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RefPtr<StyleValue> style_value;
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};
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ErrorOr<PropertyAndValue> parse_css_value_for_properties(ReadonlySpan<PropertyID>, TokenStream<ComponentValue>&);
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ErrorOr<RefPtr<StyleValue>> parse_builtin_value(ComponentValue const&);
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ErrorOr<RefPtr<CalculatedStyleValue>> parse_calculated_value(ComponentValue const&);
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PropertyAndValue parse_css_value_for_properties(ReadonlySpan<PropertyID>, TokenStream<ComponentValue>&);
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RefPtr<StyleValue> parse_builtin_value(ComponentValue const&);
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RefPtr<CalculatedStyleValue> parse_calculated_value(ComponentValue const&);
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// NOTE: Implemented in generated code. (GenerateCSSMathFunctions.cpp)
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ErrorOr<OwnPtr<CalculationNode>> parse_math_function(PropertyID, Function const&);
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ErrorOr<OwnPtr<CalculationNode>> parse_a_calc_function_node(Function const&);
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ErrorOr<RefPtr<StyleValue>> parse_dimension_value(ComponentValue const&);
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ErrorOr<RefPtr<StyleValue>> parse_integer_value(TokenStream<ComponentValue>&);
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ErrorOr<RefPtr<StyleValue>> parse_number_value(TokenStream<ComponentValue>&);
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ErrorOr<RefPtr<StyleValue>> parse_identifier_value(ComponentValue const&);
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ErrorOr<RefPtr<StyleValue>> parse_color_value(ComponentValue const&);
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ErrorOr<RefPtr<StyleValue>> parse_rect_value(ComponentValue const&);
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ErrorOr<RefPtr<StyleValue>> parse_ratio_value(TokenStream<ComponentValue>&);
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ErrorOr<RefPtr<StyleValue>> parse_string_value(ComponentValue const&);
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ErrorOr<RefPtr<StyleValue>> parse_image_value(ComponentValue const&);
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ErrorOr<RefPtr<StyleValue>> parse_paint_value(TokenStream<ComponentValue>&);
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OwnPtr<CalculationNode> parse_a_calc_function_node(Function const&);
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RefPtr<StyleValue> parse_dimension_value(ComponentValue const&);
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RefPtr<StyleValue> parse_integer_value(TokenStream<ComponentValue>&);
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RefPtr<StyleValue> parse_number_value(TokenStream<ComponentValue>&);
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RefPtr<StyleValue> parse_identifier_value(ComponentValue const&);
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RefPtr<StyleValue> parse_color_value(ComponentValue const&);
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RefPtr<StyleValue> parse_rect_value(ComponentValue const&);
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RefPtr<StyleValue> parse_ratio_value(TokenStream<ComponentValue>&);
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RefPtr<StyleValue> parse_string_value(ComponentValue const&);
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RefPtr<StyleValue> parse_image_value(ComponentValue const&);
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RefPtr<StyleValue> parse_paint_value(TokenStream<ComponentValue>&);
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template<typename ParseFunction>
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ErrorOr<RefPtr<StyleValue>> parse_comma_separated_value_list(Vector<ComponentValue> const&, ParseFunction);
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ErrorOr<RefPtr<StyleValue>> parse_simple_comma_separated_value_list(PropertyID, Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_comma_separated_value_list(Vector<ComponentValue> const&, ParseFunction);
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RefPtr<StyleValue> parse_simple_comma_separated_value_list(PropertyID, Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_filter_value_list_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_aspect_ratio_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_background_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_single_background_position_value(TokenStream<ComponentValue>&);
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ErrorOr<RefPtr<StyleValue>> parse_single_background_position_x_or_y_value(TokenStream<ComponentValue>&, PropertyID);
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ErrorOr<RefPtr<StyleValue>> parse_single_background_repeat_value(TokenStream<ComponentValue>&);
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ErrorOr<RefPtr<StyleValue>> parse_single_background_size_value(TokenStream<ComponentValue>&);
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ErrorOr<RefPtr<StyleValue>> parse_border_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_border_radius_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_border_radius_shorthand_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_content_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_display_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_flex_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_flex_flow_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_font_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_font_family_value(TokenStream<ComponentValue>&);
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ErrorOr<RefPtr<StyleValue>> parse_list_style_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_overflow_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_place_content_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_place_items_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_place_self_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_filter_value_list_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_aspect_ratio_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_background_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_single_background_position_value(TokenStream<ComponentValue>&);
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RefPtr<StyleValue> parse_single_background_position_x_or_y_value(TokenStream<ComponentValue>&, PropertyID);
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RefPtr<StyleValue> parse_single_background_repeat_value(TokenStream<ComponentValue>&);
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RefPtr<StyleValue> parse_single_background_size_value(TokenStream<ComponentValue>&);
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RefPtr<StyleValue> parse_border_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_border_radius_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_border_radius_shorthand_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_content_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_display_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_flex_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_flex_flow_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_font_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_font_family_value(TokenStream<ComponentValue>&);
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RefPtr<StyleValue> parse_list_style_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_overflow_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_place_content_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_place_items_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_place_self_value(Vector<ComponentValue> const&);
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enum class AllowInsetKeyword {
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No,
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Yes,
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};
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ErrorOr<RefPtr<StyleValue>> parse_shadow_value(Vector<ComponentValue> const&, AllowInsetKeyword);
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ErrorOr<RefPtr<StyleValue>> parse_single_shadow_value(TokenStream<ComponentValue>&, AllowInsetKeyword);
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ErrorOr<RefPtr<StyleValue>> parse_text_decoration_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_text_decoration_line_value(TokenStream<ComponentValue>&);
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ErrorOr<RefPtr<StyleValue>> parse_easing_value(TokenStream<ComponentValue>&);
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ErrorOr<RefPtr<StyleValue>> parse_transform_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_transform_origin_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_grid_track_size_list(Vector<ComponentValue> const&, bool allow_separate_line_name_blocks = false);
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ErrorOr<RefPtr<StyleValue>> parse_grid_auto_track_sizes(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_grid_track_size_list_shorthand_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_grid_track_placement(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_grid_track_placement_shorthand_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_grid_template_areas_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_grid_area_shorthand_value(Vector<ComponentValue> const&);
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ErrorOr<RefPtr<StyleValue>> parse_grid_shorthand_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_shadow_value(Vector<ComponentValue> const&, AllowInsetKeyword);
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RefPtr<StyleValue> parse_single_shadow_value(TokenStream<ComponentValue>&, AllowInsetKeyword);
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RefPtr<StyleValue> parse_text_decoration_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_text_decoration_line_value(TokenStream<ComponentValue>&);
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RefPtr<StyleValue> parse_easing_value(TokenStream<ComponentValue>&);
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RefPtr<StyleValue> parse_transform_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_transform_origin_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_grid_track_size_list(Vector<ComponentValue> const&, bool allow_separate_line_name_blocks = false);
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RefPtr<StyleValue> parse_grid_auto_track_sizes(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_grid_track_size_list_shorthand_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_grid_track_placement(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_grid_track_placement_shorthand_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_grid_template_areas_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_grid_area_shorthand_value(Vector<ComponentValue> const&);
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RefPtr<StyleValue> parse_grid_shorthand_value(Vector<ComponentValue> const&);
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ErrorOr<OwnPtr<CalculationNode>> parse_a_calculation(Vector<ComponentValue> const&);
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