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