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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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14
Userland/Libraries/LibWeb/HTML/HTMLElement.cpp
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@ -224,18 +224,18 @@ bool HTMLElement::cannot_navigate() const
return !is<HTML::HTMLAnchorElement>(this) && !is_connected();
}
void HTMLElement::attribute_changed(FlyString const& name, DeprecatedString const& value)
void HTMLElement::attribute_changed(FlyString const& name, Optional<DeprecatedString> const& value)
{
Element::attribute_changed(name, value);
if (name == HTML::AttributeNames::contenteditable) {
if (value.is_null()) {
if (!value.has_value()) {
m_content_editable_state = ContentEditableState::Inherit;
} else {
if (value.is_empty() || value.equals_ignoring_ascii_case("true"sv)) {
if (value->is_empty() || value->equals_ignoring_ascii_case("true"sv)) {
// "true", an empty string or a missing value map to the "true" state.
m_content_editable_state = ContentEditableState::True;
} else if (value.equals_ignoring_ascii_case("false"sv)) {
} else if (value->equals_ignoring_ascii_case("false"sv)) {
// "false" maps to the "false" state.
m_content_editable_state = ContentEditableState::False;
} else {
@ -248,9 +248,9 @@ void HTMLElement::attribute_changed(FlyString const& name, DeprecatedString cons
// 1. If namespace is not null, or localName is not the name of an event handler content attribute on element, then return.
// FIXME: Add the namespace part once we support attribute namespaces.
#undef __ENUMERATE
#define __ENUMERATE(attribute_name, event_name) \
if (name == HTML::AttributeNames::attribute_name) { \
element_event_handler_attribute_changed(event_name, String::from_deprecated_string(value).release_value()); \
#define __ENUMERATE(attribute_name, event_name) \
if (name == HTML::AttributeNames::attribute_name) { \
element_event_handler_attribute_changed(event_name, value.map([](auto& v) { return MUST(String::from_deprecated_string(v)); })); \
}
ENUMERATE_GLOBAL_EVENT_HANDLERS(__ENUMERATE)
#undef __ENUMERATE