HTMLAllCollection.cpp [plain text]
#include "config.h"
#include "HTMLAllCollection.h"
#include "Element.h"
#include "NodeRareData.h"
#include <JavaScriptCore/Identifier.h>
#include <wtf/IsoMallocInlines.h>
#include <wtf/Optional.h>
#include <wtf/Variant.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLAllNamedSubCollection);
Ref<HTMLAllCollection> HTMLAllCollection::create(Document& document, CollectionType type)
{
return adoptRef(*new HTMLAllCollection(document, type));
}
inline HTMLAllCollection::HTMLAllCollection(Document& document, CollectionType type)
: AllDescendantsCollection(document, type)
{
}
Optional<Variant<RefPtr<HTMLCollection>, RefPtr<Element>>> HTMLAllCollection::namedOrIndexedItemOrItems(const AtomString& nameOrIndex) const
{
if (nameOrIndex.isNull())
return WTF::nullopt;
if (auto index = JSC::parseIndex(*nameOrIndex.impl()))
return Variant<RefPtr<HTMLCollection>, RefPtr<Element>> { RefPtr<Element> { item(index.value()) } };
return namedItemOrItems(nameOrIndex);
}
Optional<Variant<RefPtr<HTMLCollection>, RefPtr<Element>>> HTMLAllCollection::namedItemOrItems(const AtomString& name) const
{
auto namedItems = this->namedItems(name);
if (namedItems.isEmpty())
return WTF::nullopt;
if (namedItems.size() == 1)
return Variant<RefPtr<HTMLCollection>, RefPtr<Element>> { RefPtr<Element> { WTFMove(namedItems[0]) } };
return Variant<RefPtr<HTMLCollection>, RefPtr<Element>> { RefPtr<HTMLCollection> { downcast<Document>(ownerNode()).allFilteredByName(name) } };
}
HTMLAllNamedSubCollection::~HTMLAllNamedSubCollection()
{
ownerNode().nodeLists()->removeCachedCollection(this, m_name);
}
bool HTMLAllNamedSubCollection::elementMatches(Element& element) const
{
const auto& id = element.getIdAttribute();
if (id == m_name)
return true;
if (!nameShouldBeVisibleInDocumentAll(element))
return false;
const auto& name = element.getNameAttribute();
if (name == m_name)
return true;
return false;
}
}