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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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15
Userland/Libraries/LibWeb/DOM/StyleElementUtils.cpp
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@ -43,8 +43,8 @@ void StyleElementUtils::update_a_style_block(DOM::Element& style_element)
return;
// 4. If element's type attribute is present and its value is neither the empty string nor an ASCII case-insensitive match for "text/css", then return.
auto type_attribute = style_element.deprecated_attribute(HTML::AttributeNames::type);
if (!type_attribute.is_null() && !type_attribute.is_empty() && !Infra::is_ascii_case_insensitive_match(type_attribute, "text/css"sv))
auto type_attribute = style_element.attribute(HTML::AttributeNames::type);
if (type_attribute.has_value() && !type_attribute->is_empty() && !Infra::is_ascii_case_insensitive_match(type_attribute->bytes_as_string_view(), "text/css"sv))
return;
// FIXME: 5. If the Should element's inline behavior be blocked by Content Security Policy? algorithm returns "Blocked" when executed upon the style element, "style", and the style element's child text content, then return. [CSP]
@ -86,7 +86,7 @@ void StyleElementUtils::remove_a_css_style_sheet(DOM::Document& document, CSS::C
}
// https://www.w3.org/TR/cssom/#create-a-css-style-sheet
void StyleElementUtils::create_a_css_style_sheet(DOM::Document& document, DeprecatedString type, DOM::Element* owner_node, DeprecatedString media, DeprecatedString title, bool alternate, bool origin_clean, DeprecatedString location, CSS::CSSStyleSheet* parent_style_sheet, CSS::CSSRule* owner_rule, CSS::CSSStyleSheet& sheet)
void StyleElementUtils::create_a_css_style_sheet(DOM::Document& document, DeprecatedString type, DOM::Element* owner_node, DeprecatedString media, DeprecatedString title, bool alternate, bool origin_clean, Optional<DeprecatedString> location, CSS::CSSStyleSheet* parent_style_sheet, CSS::CSSRule* owner_rule, CSS::CSSStyleSheet& sheet)
{
// 1. Create a new CSS style sheet object and set its properties as specified.
// FIXME: We receive `sheet` from the caller already. This is weird.
@ -96,16 +96,13 @@ void StyleElementUtils::create_a_css_style_sheet(DOM::Document& document, Deprec
sheet.set_owner_node(owner_node);
sheet.set_type(MUST(String::from_deprecated_string(type)));
sheet.set_media(move(media));
if (title.is_null())
sheet.set_title({});
else
sheet.set_title(MUST(String::from_deprecated_string(title)));
sheet.set_title(MUST(String::from_deprecated_string(title)));
sheet.set_alternate(alternate);
sheet.set_origin_clean(origin_clean);
if (location.is_null())
if (!location.has_value())
sheet.set_location({});
else
sheet.set_location(MUST(String::from_deprecated_string(location)));
sheet.set_location(MUST(String::from_deprecated_string(*location)));
// 2. Then run the add a CSS style sheet steps for the newly created CSS style sheet.
add_a_css_style_sheet(document, sheet);