1 // Copyright 2016 The PDFium Authors 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 9 #include "core/fxcrt/fx_stream.h" 10 11 CPDF_Null::CPDF_Null() = default; 12 GetType() const13CPDF_Object::Type CPDF_Null::GetType() const { 14 return kNullobj; 15 } 16 Clone() const17RetainPtr<CPDF_Object> CPDF_Null::Clone() const { 18 return pdfium::MakeRetain<CPDF_Null>(); 19 } 20 AsMutableNull()21CPDF_Null* CPDF_Null::AsMutableNull() { 22 return this; 23 } 24 WriteTo(IFX_ArchiveStream * archive,const CPDF_Encryptor * encryptor) const25bool CPDF_Null::WriteTo(IFX_ArchiveStream* archive, 26 const CPDF_Encryptor* encryptor) const { 27 return archive->WriteString(" null"); 28 } 29