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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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6
Userland/Libraries/LibWeb/HTML/NavigableContainer.cpp
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@ -76,8 +76,8 @@ WebIDL::ExceptionOr<void> NavigableContainer::create_new_child_navigable()
Optional<String> target_name;
// 5. If element has a name content attribute, then set targetName to the value of that attribute.
if (auto value = deprecated_attribute(HTML::AttributeNames::name); !value.is_null())
target_name = String::from_deprecated_string(value).release_value_but_fixme_should_propagate_errors();
if (auto value = attribute(HTML::AttributeNames::name); value.has_value())
target_name = move(value);
// 6. Let documentState be a new document state, with
// - document: document
@ -195,7 +195,7 @@ Optional<AK::URL> NavigableContainer::shared_attribute_processing_steps_for_ifra
// then parse the value of that attribute relative to element's node document.
// If this is successful, then set url to the resulting URL record.
auto src_attribute_value = deprecated_attribute(HTML::AttributeNames::src);
if (!src_attribute_value.is_null() && !src_attribute_value.is_empty()) {
if (!src_attribute_value.is_empty()) {
auto parsed_src = document().parse_url(src_attribute_value);
if (parsed_src.is_valid())
url = parsed_src;