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 CPDF_Null()11CPDF_Null::CPDF_Null() {} 12 GetType() const13CPDF_Object::Type CPDF_Null::GetType() const { 14 return NULLOBJ; 15 } 16 Clone() const17std::unique_ptr<CPDF_Object> CPDF_Null::Clone() const { 18 return pdfium::MakeUnique<CPDF_Null>(); 19 } 20 WriteTo(IFX_ArchiveStream * archive) const21bool CPDF_Null::WriteTo(IFX_ArchiveStream* archive) const { 22 return archive->WriteString(" null"); 23 } 24 IsNull() const25bool CPDF_Null::IsNull() const { 26 return true; 27 } 28