Files
serenity/Userland/Libraries/LibWeb/DOM/CharacterData.h
Timothy Flynn cb17194de8 LibWeb: Avoid allocating UTF-16 strings only the UTF-16 length is needed
(cherry picked from commit 4a166a45ec9db910542893133f08cc7de4ec974f,
minorly amended to resolve #include conflict due to our LibLocale
and LibUnicode being separate -- we don't want
https://github.com/LadybirdBrowser/ladybird/pull/257)
2024-10-18 18:21:18 -04:00

52 lines
1.5 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/String.h>
#include <AK/Utf16View.h>
#include <LibWeb/DOM/ChildNode.h>
#include <LibWeb/DOM/Node.h>
#include <LibWeb/DOM/NonDocumentTypeChildNode.h>
namespace Web::DOM {
// https://dom.spec.whatwg.org/#characterdata
class CharacterData
: public Node
, public ChildNode<CharacterData>
, public NonDocumentTypeChildNode<CharacterData> {
WEB_PLATFORM_OBJECT(CharacterData, Node);
JS_DECLARE_ALLOCATOR(CharacterData);
public:
virtual ~CharacterData() override = default;
String const& data() const { return m_data; }
void set_data(String const&);
unsigned length_in_utf16_code_units() const
{
return AK::utf16_code_unit_length_from_utf8(m_data);
}
WebIDL::ExceptionOr<String> substring_data(size_t offset_in_utf16_code_units, size_t count_in_utf16_code_units) const;
WebIDL::ExceptionOr<void> append_data(String const&);
WebIDL::ExceptionOr<void> insert_data(size_t offset_in_utf16_code_units, String const&);
WebIDL::ExceptionOr<void> delete_data(size_t offset_in_utf16_code_units, size_t count_in_utf16_code_units);
WebIDL::ExceptionOr<void> replace_data(size_t offset_in_utf16_code_units, size_t count_in_utf16_code_units, String const&);
protected:
CharacterData(Document&, NodeType, String const&);
virtual void initialize(JS::Realm&) override;
private:
String m_data;
};
}