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LibWeb/CSS: Parse gradient functions with TokenStream

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They already used TokenStream for parsing the function parameters, but
this makes the `parse_foo_gradient()` functions themselves take a
TokenStream.
This commit is contained in:
Sam Atkins 2024-08-09 13:56:17 +01:00 • committed by Andreas Kling
commit 9de73bf89b
Notes: github-actions[bot] 2024-08-10 08:38:51 +00:00
3 changed files with 25 additions and 21 deletions
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18
Userland/Libraries/LibWeb/CSS/Parser/GradientParsing.cpp
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@ -135,10 +135,13 @@ Optional<Vector<AngularColorStopListElement>> Parser::parse_angular_color_stop_l
[](Dimension& dimension) { return dimension.angle_percentage(); });
}
RefPtr<StyleValue> Parser::parse_linear_gradient_function(ComponentValue const& component_value)
RefPtr<StyleValue> Parser::parse_linear_gradient_function(TokenStream<ComponentValue>& outer_tokens)
{
using GradientType = LinearGradientStyleValue::GradientType;
auto transaction = outer_tokens.begin_transaction();
auto& component_value = outer_tokens.next_token();
if (!component_value.is_function())
return nullptr;
@ -260,11 +263,15 @@ RefPtr<StyleValue> Parser::parse_linear_gradient_function(ComponentValue const&
if (!color_stops.has_value())
return nullptr;
transaction.commit();
return LinearGradientStyleValue::create(gradient_direction, move(*color_stops), gradient_type, repeating_gradient);
}
RefPtr<StyleValue> Parser::parse_conic_gradient_function(ComponentValue const& component_value)
RefPtr<StyleValue> Parser::parse_conic_gradient_function(TokenStream<ComponentValue>& outer_tokens)
{
auto transaction = outer_tokens.begin_transaction();
auto& component_value = outer_tokens.next_token();
if (!component_value.is_function())
return nullptr;
@ -360,10 +367,11 @@ RefPtr<StyleValue> Parser::parse_conic_gradient_function(ComponentValue const& c
if (!at_position)
at_position = PositionStyleValue::create_center();
transaction.commit();
return ConicGradientStyleValue::create(from_angle, at_position.release_nonnull(), move(*color_stops), repeating_gradient);
}
RefPtr<StyleValue> Parser::parse_radial_gradient_function(ComponentValue const& component_value)
RefPtr<StyleValue> Parser::parse_radial_gradient_function(TokenStream<ComponentValue>& outer_tokens)
{
using EndingShape = RadialGradientStyleValue::EndingShape;
using Extent = RadialGradientStyleValue::Extent;
@ -371,6 +379,9 @@ RefPtr<StyleValue> Parser::parse_radial_gradient_function(ComponentValue const&
using EllipseSize = RadialGradientStyleValue::EllipseSize;
using Size = RadialGradientStyleValue::Size;
auto transaction = outer_tokens.begin_transaction();
auto& component_value = outer_tokens.next_token();
if (!component_value.is_function())
return nullptr;
@ -511,6 +522,7 @@ RefPtr<StyleValue> Parser::parse_radial_gradient_function(ComponentValue const&
if (!at_position)
at_position = PositionStyleValue::create_center();
transaction.commit();
return RadialGradientStyleValue::create(ending_shape, size, at_position.release_nonnull(), move(*color_stops), repeating_gradient);
}