ladybird/Userland/Libraries/LibWeb/DOM/StaticRange.cpp
Timothy Flynn b75b7f0c0d LibJS+Everywhere: Propagate Cell::initialize errors from Heap::allocate
Callers that are already in a fallible context will now TRY to allocate
cells. Callers in infallible contexts get a FIXME.
2023-01-29 00:02:45 +00:00

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/*
* Copyright (c) 2022, Luke Wilde <lukew@serenityos.org>
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/TypeCasts.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/DOM/Attr.h>
#include <LibWeb/DOM/DocumentType.h>
#include <LibWeb/DOM/StaticRange.h>
#include <LibWeb/WebIDL/ExceptionOr.h>
namespace Web::DOM {
StaticRange::StaticRange(Node& start_container, u32 start_offset, Node& end_container, u32 end_offset)
: AbstractRange(start_container, start_offset, end_container, end_offset)
{
}
StaticRange::~StaticRange() = default;
// https://dom.spec.whatwg.org/#dom-staticrange-staticrange
WebIDL::ExceptionOr<StaticRange*> StaticRange::construct_impl(JS::Realm& realm, StaticRangeInit& init)
{
// 1. If init["startContainer"] or init["endContainer"] is a DocumentType or Attr node, then throw an "InvalidNodeTypeError" DOMException.
if (is<DocumentType>(*init.start_container) || is<Attr>(*init.start_container))
return WebIDL::InvalidNodeTypeError::create(realm, "startContainer cannot be a DocumentType or Attribute node.");
if (is<DocumentType>(*init.end_container) || is<Attr>(*init.end_container))
return WebIDL::InvalidNodeTypeError::create(realm, "endContainer cannot be a DocumentType or Attribute node.");
// 2. Set thiss start to (init["startContainer"], init["startOffset"]) and end to (init["endContainer"], init["endOffset"]).
return realm.heap().allocate<StaticRange>(realm, *init.start_container, init.start_offset, *init.end_container, init.end_offset).release_allocated_value_but_fixme_should_propagate_errors().ptr();
}
JS::ThrowCompletionOr<void> StaticRange::initialize(JS::Realm& realm)
{
MUST_OR_THROW_OOM(Base::initialize(realm));
set_prototype(&Bindings::ensure_web_prototype<Bindings::StaticRangePrototype>(realm, "StaticRange"));
return {};
}
}