ladybird/Userland/Libraries/LibWeb/DOM/StaticRange.cpp
2022-09-06 00:27:09 +02:00

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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/DOM/Attribute.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/DocumentType.h>
#include <LibWeb/DOM/ExceptionOr.h>
#include <LibWeb/DOM/StaticRange.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)
{
set_prototype(&start_container.document().window().cached_web_prototype("StaticRange"));
}
StaticRange::~StaticRange() = default;
// https://dom.spec.whatwg.org/#dom-staticrange-staticrange
ExceptionOr<StaticRange*> StaticRange::create_with_global_object(HTML::Window& window, 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<Attribute>(*init.start_container))
return DOM::InvalidNodeTypeError::create(window, "startContainer cannot be a DocumentType or Attribute node.");
if (is<DocumentType>(*init.end_container) || is<Attribute>(*init.end_container))
return DOM::InvalidNodeTypeError::create(window, "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 window.heap().allocate<StaticRange>(window.realm(), *init.start_container, init.start_offset, *init.end_container, init.end_offset);
}
}