ladybird/Userland/Libraries/LibWeb/DOM/StaticRange.cpp
Andreas Kling 72c9f56c66 LibJS: Make Heap::allocate<T>() infallible
Stop worrying about tiny OOMs. Work towards #20449.

While going through these, I also changed the function signature in many
places where returning ThrowCompletionOr<T> is no longer necessary.
2023-08-13 15:38:42 +02:00

44 lines
1.8 KiB
C++
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*
* 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<JS::NonnullGCPtr<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);
}
void StaticRange::initialize(JS::Realm& realm)
{
Base::initialize(realm);
set_prototype(&Bindings::ensure_web_prototype<Bindings::StaticRangePrototype>(realm, "StaticRange"));
}
}