1// Copyright 2016 PDFium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7#include "core/fpdfapi/parser/cpdf_null.h"
8#include "core/fxcrt/fx_stream.h"
9#include "third_party/base/ptr_util.h"
10
11CPDF_Null::CPDF_Null() {}
12
13CPDF_Object::Type CPDF_Null::GetType() const {
14  return NULLOBJ;
15}
16
17std::unique_ptr<CPDF_Object> CPDF_Null::Clone() const {
18  return pdfium::MakeUnique<CPDF_Null>();
19}
20
21bool CPDF_Null::WriteTo(IFX_ArchiveStream* archive) const {
22  return archive->WriteString(" null");
23}
24
25bool CPDF_Null::IsNull() const {
26  return true;
27}
28