Rename CPDF_Linearized to CPDF_LinearizedHeader

core/fpdfapi/parser/cpdf_linearized_header.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_linearized.h"
+#include "core/fpdfapi/parser/cpdf_linearized_header.h"
 
 #include "core/fpdfapi/parser/cpdf_array.h"
 #include "core/fpdfapi/parser/cpdf_dictionary.h"
 #include "core/fpdfapi/parser/cpdf_number.h"
 #include "third_party/base/ptr_util.h"
 
 namespace {
 
 template <class T>
 bool IsValidNumericDictionaryValue(const CPDF_Dictionary* pDict,
                                    const char* key,
                                    T min_value,
                                    bool must_exist = true) {
   if (!pDict->KeyExist(key))
     return !must_exist;
   const CPDF_Number* pNum = ToNumber(pDict->GetObjectFor(key));
   if (!pNum || !pNum->IsInteger())
     return false;
   const int raw_value = pNum->GetInteger();
   if (!pdfium::base::IsValueInRangeForNumericType<T>(raw_value))
     return false;
   return static_cast<T>(raw_value) >= min_value;
 }
 
 }  // namespace
 
 // static
-std::unique_ptr<CPDF_Linearized> CPDF_Linearized::CreateForObject(
+std::unique_ptr<CPDF_LinearizedHeader> CPDF_LinearizedHeader::CreateForObject(
     std::unique_ptr<CPDF_Object> pObj) {
   auto pDict = ToDictionary(std::move(pObj));
   if (!pDict || !pDict->KeyExist("Linearized") ||
       !IsValidNumericDictionaryValue<FX_FILESIZE>(pDict.get(), "L", 1) ||
       !IsValidNumericDictionaryValue<uint32_t>(pDict.get(), "P", 0, false) ||
       !IsValidNumericDictionaryValue<FX_FILESIZE>(pDict.get(), "T", 1) ||
       !IsValidNumericDictionaryValue<uint32_t>(pDict.get(), "N", 0) ||
       !IsValidNumericDictionaryValue<FX_FILESIZE>(pDict.get(), "E", 1) ||
       !IsValidNumericDictionaryValue<uint32_t>(pDict.get(), "O", 1))
     return nullptr;
-  return pdfium::WrapUnique(new CPDF_Linearized(pDict.get()));
+  return pdfium::WrapUnique(new CPDF_LinearizedHeader(pDict.get()));
 }
 
-CPDF_Linearized::CPDF_Linearized(const CPDF_Dictionary* pDict) {
-  if (!pDict)

[Tom Sepez, 2016/11/07 19:27:49]

Can't happen given check above and this is now protected.

-    return;
+CPDF_LinearizedHeader::CPDF_LinearizedHeader(const CPDF_Dictionary* pDict) {
   m_szFileSize = pDict->GetIntegerFor("L");
   m_dwFirstPageNo = pDict->GetIntegerFor("P");
   m_szLastXRefOffset = pDict->GetIntegerFor("T");
   m_PageCount = pDict->GetIntegerFor("N");
   m_szFirstPageEndOffset = pDict->GetIntegerFor("E");
   m_FirstPageObjNum = pDict->GetIntegerFor("O");
   const CPDF_Array* pHintStreamRange = pDict->GetArrayFor("H");
   const size_t nHintStreamSize =
       pHintStreamRange ? pHintStreamRange->GetCount() : 0;
   if (nHintStreamSize == 2 || nHintStreamSize == 4) {
     m_szHintStart = std::max(pHintStreamRange->GetIntegerAt(0), 0);
     m_szHintLength = std::max(pHintStreamRange->GetIntegerAt(1), 0);
   }
 }
 
-CPDF_Linearized::~CPDF_Linearized() {}
+CPDF_LinearizedHeader::~CPDF_LinearizedHeader() {}
 
-bool CPDF_Linearized::HasHintTable() const {
+bool CPDF_LinearizedHeader::HasHintTable() const {
   return GetPageCount() > 1 && GetHintStart() > 0 && GetHintLength() > 0;
 }