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AK+Everywhere: Remove the null state of DeprecatedString

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This commit removes DeprecatedString's "null" state, and replaces all
its users with one of the following:
- A normal, empty DeprecatedString
- Optional<DeprecatedString>

Note that null states of DeprecatedFlyString/StringView/etc are *not*
affected by this commit. However, DeprecatedString::empty() is now
considered equal to a null StringView.
This commit is contained in:
Ali Mohammad Pur 2023-10-10 15:00:58 +03:30 • committed by Ali Mohammad Pur
parent daf6d8173c
commit aeee98b3a1
189 changed files with 597 additions and 652 deletions
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10
Userland/Libraries/LibWeb/SVG/SVGSVGElement.cpp
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@ -38,7 +38,7 @@ void SVGSVGElement::apply_presentational_hints(CSS::StyleProperties& style) cons
{
Base::apply_presentational_hints(style);
auto width_attribute = deprecated_attribute(SVG::AttributeNames::width);
auto width_attribute = attribute(SVG::AttributeNames::width);
auto parsing_context = CSS::Parser::ParsingContext { document(), CSS::Parser::ParsingContext::Mode::SVGPresentationAttribute };
if (auto width_value = parse_css_value(parsing_context, deprecated_attribute(Web::HTML::AttributeNames::width), CSS::PropertyID::Width)) {
style.set_property(CSS::PropertyID::Width, width_value.release_nonnull());
@ -50,7 +50,7 @@ void SVGSVGElement::apply_presentational_hints(CSS::StyleProperties& style) cons
}
// Height defaults to 100%
auto height_attribute = deprecated_attribute(SVG::AttributeNames::height);
auto height_attribute = attribute(SVG::AttributeNames::height);
if (auto height_value = parse_css_value(parsing_context, deprecated_attribute(Web::HTML::AttributeNames::height), CSS::PropertyID::Height)) {
style.set_property(CSS::PropertyID::Height, height_value.release_nonnull());
} else if (height_attribute == "") {
@ -61,14 +61,14 @@ void SVGSVGElement::apply_presentational_hints(CSS::StyleProperties& style) cons
}
}
void SVGSVGElement::attribute_changed(FlyString const& name, DeprecatedString const& value)
void SVGSVGElement::attribute_changed(FlyString const& name, Optional<DeprecatedString> const& value)
{
SVGGraphicsElement::attribute_changed(name, value);
if (name.equals_ignoring_ascii_case(SVG::AttributeNames::viewBox))
m_view_box = try_parse_view_box(value);
m_view_box = try_parse_view_box(value.value_or(""));
if (name.equals_ignoring_ascii_case(SVG::AttributeNames::preserveAspectRatio))
m_preserve_aspect_ratio = AttributeParser::parse_preserve_aspect_ratio(value);
m_preserve_aspect_ratio = AttributeParser::parse_preserve_aspect_ratio(value.value_or(""));
if (name.equals_ignoring_ascii_case(SVG::AttributeNames::width) || name.equals_ignoring_ascii_case(SVG::AttributeNames::height))
update_fallback_view_box_for_svg_as_image();
}