Make CPDF_Dictionary use unique pointers.

core/fpdfapi/parser/cpdf_stream.cpp

 // Copyright 2016 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "core/fpdfapi/parser/cpdf_stream.h"
 
 #include "core/fpdfapi/parser/cpdf_dictionary.h"
+#include "core/fpdfapi/parser/cpdf_number.h"
 #include "core/fpdfapi/parser/cpdf_stream_acc.h"
 #include "core/fpdfapi/parser/fpdf_parser_decode.h"
 #include "third_party/base/numerics/safe_conversions.h"
 #include "third_party/base/stl_util.h"
 
 CPDF_Stream::CPDF_Stream() {}
 
 CPDF_Stream::CPDF_Stream(uint8_t* pData, uint32_t size, CPDF_Dictionary* pDict)
     : m_dwSize(size), m_pDict(pDict), m_pDataBuf(pData) {}
 
@@ skipping 27 matching lines @@
                              uint32_t size,
                              CPDF_Dictionary* pDict) {
   m_pDict.reset(pDict);
   m_bMemoryBased = true;
   m_pFile = nullptr;
   m_pDataBuf.reset(FX_Alloc(uint8_t, size));
   if (pData)
     FXSYS_memcpy(m_pDataBuf.get(), pData, size);
   m_dwSize = size;
   if (m_pDict)
-    m_pDict->SetIntegerFor("Length", m_dwSize);
+    m_pDict->SetNewFor<CPDF_Number>("Length", static_cast<int>(m_dwSize));
 }
 
 void CPDF_Stream::InitStreamFromFile(IFX_SeekableReadStream* pFile,
                                      CPDF_Dictionary* pDict) {
   m_pDict.reset(pDict);
   m_bMemoryBased = false;
   m_pDataBuf.reset();
   m_pFile = pFile;
   m_dwSize = pdfium::base::checked_cast<uint32_t>(pFile->GetSize());
   if (m_pDict)
-    m_pDict->SetIntegerFor("Length", m_dwSize);
+    m_pDict->SetNewFor<CPDF_Number>("Length", static_cast<int>(m_dwSize));
 }
 
 std::unique_ptr<CPDF_Object> CPDF_Stream::Clone() const {
   return CloneObjectNonCyclic(false);
 }
 
 std::unique_ptr<CPDF_Object> CPDF_Stream::CloneNonCyclic(
     bool bDirect,
     std::set<const CPDF_Object*>* pVisited) const {
   pVisited->insert(this);
@@ skipping 10 matching lines @@
 }
 
 void CPDF_Stream::SetData(const uint8_t* pData, uint32_t size) {
   m_bMemoryBased = true;
   m_pDataBuf.reset(FX_Alloc(uint8_t, size));
   if (pData)
     FXSYS_memcpy(m_pDataBuf.get(), pData, size);
   m_dwSize = size;
   if (!m_pDict)
     m_pDict.reset(new CPDF_Dictionary());
-  m_pDict->SetIntegerFor("Length", size);
+  m_pDict->SetNewFor<CPDF_Number>("Length", static_cast<int>(size));
   m_pDict->RemoveFor("Filter");
   m_pDict->RemoveFor("DecodeParms");
 }
 
 bool CPDF_Stream::ReadRawData(FX_FILESIZE offset,
                               uint8_t* buf,
                               uint32_t size) const {
   if (m_bMemoryBased && m_pFile)
     return m_pFile->ReadBlock(buf, offset, size);
 
   if (m_pDataBuf)
     FXSYS_memcpy(buf, m_pDataBuf.get() + offset, size);
 
   return true;
 }
 
 bool CPDF_Stream::HasFilter() const {
   return m_pDict && m_pDict->KeyExist("Filter");
 }
 
 CFX_WideString CPDF_Stream::GetUnicodeText() const {
   CPDF_StreamAcc stream;
   stream.LoadAllData(this, false);
   return PDF_DecodeText(stream.GetData(), stream.GetSize());
 }