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LibWeb: Move get_an_elements_{target,noopener} to HTMLElement

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This will be used by form submission on `<form>` elements.
This commit is contained in:
Luke Wilde 2023-06-18 16:22:10 +01:00 • committed by Andreas Kling
parent c9c1ddd0bb
commit 995df8f565
6 changed files with 65 additions and 48 deletions
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40
Userland/Libraries/LibWeb/HTML/HTMLElement.cpp
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@ -17,11 +17,14 @@
#include <LibWeb/HTML/Focus.h>
#include <LibWeb/HTML/HTMLAnchorElement.h>
#include <LibWeb/HTML/HTMLAreaElement.h>
#include <LibWeb/HTML/HTMLBaseElement.h>
#include <LibWeb/HTML/HTMLBodyElement.h>
#include <LibWeb/HTML/HTMLElement.h>
#include <LibWeb/HTML/NavigableContainer.h>
#include <LibWeb/HTML/VisibilityState.h>
#include <LibWeb/HTML/Window.h>
#include <LibWeb/Infra/CharacterTypes.h>
#include <LibWeb/Infra/Strings.h>
#include <LibWeb/Layout/Box.h>
#include <LibWeb/Layout/BreakNode.h>
#include <LibWeb/Layout/TextNode.h>
@ -426,4 +429,41 @@ Optional<ARIA::Role> HTMLElement::default_role() const
return {};
}
// https://html.spec.whatwg.org/multipage/semantics.html#get-an-element's-target
DeprecatedString HTMLElement::get_an_elements_target() const
{
// To get an element's target, given an a, area, or form element element, run these steps:
// 1. If element has a target attribute, then return that attribute's value.
if (has_attribute(AttributeNames::target))
return attribute(AttributeNames::target);
// FIXME: 2. If element's node document contains a base element with a
// target attribute, then return the value of the target attribute of the
// first such base element.
// 3. Return the empty string.
return DeprecatedString::empty();
}
// https://html.spec.whatwg.org/multipage/links.html#get-an-element's-noopener
TokenizedFeature::NoOpener HTMLElement::get_an_elements_noopener(StringView target) const
{
// To get an element's noopener, given an a, area, or form element element and a string target:
auto rel = attribute(HTML::AttributeNames::rel).to_lowercase();
auto link_types = rel.view().split_view_if(Infra::is_ascii_whitespace);
// 1. If element's link types include the noopener or noreferrer keyword, then return true.
if (link_types.contains_slow("noopener"sv) || link_types.contains_slow("noreferrer"sv))
return TokenizedFeature::NoOpener::Yes;
// 2. If element's link types do not include the opener keyword and
// target is an ASCII case-insensitive match for "_blank", then return true.
if (!link_types.contains_slow("opener"sv) && Infra::is_ascii_case_insensitive_match(target, "_blank"sv))
return TokenizedFeature::NoOpener::Yes;
// 3. Return false.
return TokenizedFeature::NoOpener::No;
}
}