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HTMLAllCollection.cpp
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105 lines (86 loc) · 3.77 KB
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/*
* Copyright (C) 2009, 2011, 2012 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "HTMLAllCollection.h"
#include "CachedHTMLCollectionInlines.h"
#include "Element.h"
#include "NodeRareDataInlines.h"
#include <JavaScriptCore/Identifier.h>
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_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)
{
}
// https://html.spec.whatwg.org/multipage/infrastructure.html#dom-htmlallcollection-item
std::optional<Variant<Ref<HTMLCollection>, Ref<Element>>> HTMLAllCollection::namedOrIndexedItemOrItems(const AtomString& nameOrIndex) const
{
if (nameOrIndex.isNull())
return std::nullopt;
if (auto index = JSC::parseIndex(*nameOrIndex.impl())) {
if (RefPtr element = item(index.value()))
return Variant<Ref<HTMLCollection>, Ref<Element>> { element.releaseNonNull() };
return std::nullopt;
}
return namedItemOrItems(nameOrIndex);
}
// https://html.spec.whatwg.org/multipage/infrastructure.html#concept-get-all-named
std::optional<Variant<Ref<HTMLCollection>, Ref<Element>>> HTMLAllCollection::namedItemOrItems(const AtomString& name) const
{
auto namedItems = this->namedItems(name);
if (namedItems.isEmpty())
return std::nullopt;
if (namedItems.size() == 1)
return Variant<Ref<HTMLCollection>, Ref<Element>> { Ref<Element> { WTF::move(namedItems[0]) } };
return Variant<Ref<HTMLCollection>, Ref<Element>> { Ref<HTMLCollection> { downcast<Document>(ownerNode()).allFilteredByName(name) } };
}
HTMLAllNamedSubCollection::HTMLAllNamedSubCollection(Document& document, CollectionType type, const AtomString& name)
: CachedHTMLCollection(document, type)
, m_name(name)
{
ASSERT(type == CollectionType::DocumentAllNamedItems);
}
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;
}
} // namespace WebCore