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HTMLCollection is an awkward legacy interface from the DOM spec. It provides a live view of a DOM subtree, with some kind of filtering that determines which elements are part of the collection. We now return HTMLCollection objects from these APIs: - getElementsByClassName() - getElementsByName() - getElementsByTagName() This initial implementation does not do any kind of caching, since that is quite a tricky problem, and there will be plenty of time for tricky problems later on when the engine is more mature.
31 lines
952 B
C++
31 lines
952 B
C++
/*
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* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/ScopeGuard.h>
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#include <LibWeb/Bindings/HTMLCollectionWrapper.h>
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#include <LibWeb/Bindings/NodeWrapper.h>
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#include <LibWeb/Bindings/NodeWrapperFactory.h>
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#include <LibWeb/DOM/Element.h>
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namespace Web::Bindings {
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JS::Value HTMLCollectionWrapper::get(JS::PropertyName const& name, JS::Value receiver, bool without_side_effects) const
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{
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auto* item = const_cast<DOM::HTMLCollection&>(impl()).named_item(name.to_string());
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if (!item)
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return Base::get(name, receiver, without_side_effects);
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return JS::Value { wrap(global_object(), *item) };
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}
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JS::Value HTMLCollectionWrapper::get_by_index(u32 property_index) const
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{
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auto* item = const_cast<DOM::HTMLCollection&>(impl()).item(property_index);
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if (!item)
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return Base::get_by_index(property_index);
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return wrap(global_object(), *item);
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}
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}
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