Get rid of NULLs in fpdfsdk/

fpdfsdk/fpdfeditpage.cpp

 // Copyright 2014 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 "public/fpdf_edit.h"
 
 #include "core/fpdfapi/fpdf_edit/include/cpdf_pagecontentgenerator.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
@@ skipping 35 matching lines @@
     if (-1 != time(&currentTime)) {
       tm* pTM = localtime(&currentTime);
       if (pTM) {
         DateStr.Format("D:%04d%02d%02d%02d%02d%02d", pTM->tm_year + 1900,
                        pTM->tm_mon + 1, pTM->tm_mday, pTM->tm_hour, pTM->tm_min,
                        pTM->tm_sec);
       }
     }
   }
 
-  CPDF_Dictionary* pInfoDict = NULL;
+  CPDF_Dictionary* pInfoDict = nullptr;
   pInfoDict = pDoc->GetInfo();
   if (pInfoDict) {
     if (FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS))
       pInfoDict->SetAt("CreationDate", new CPDF_String(DateStr, FALSE));
     pInfoDict->SetAt("Creator", new CPDF_String(L"PDFium"));
   }
 
   return FPDFDocumentFromCPDFDocument(pDoc);
 }
 
@@ skipping 10 matching lines @@
   if (!pDoc)
     return nullptr;
 
   if (page_index < 0)
     page_index = 0;
   if (pDoc->GetPageCount() < page_index)
     page_index = pDoc->GetPageCount();
 
   CPDF_Dictionary* pPageDict = pDoc->CreateNewPage(page_index);
   if (!pPageDict)
-    return NULL;
+    return nullptr;
   CPDF_Array* pMediaBoxArray = new CPDF_Array;
   pMediaBoxArray->Add(new CPDF_Number(0));
   pMediaBoxArray->Add(new CPDF_Number(0));
   pMediaBoxArray->Add(new CPDF_Number(FX_FLOAT(width)));
   pMediaBoxArray->Add(new CPDF_Number(FX_FLOAT(height)));
 
   pPageDict->SetAt("MediaBox", pMediaBoxArray);
   pPageDict->SetAt("Rotate", new CPDF_Number(0));
   pPageDict->SetAt("Resources", new CPDF_Dictionary);
 
@@ skipping 113 matching lines @@
     return FALSE;
   CPDF_PageObject* pPageObj = (CPDF_PageObject*)pageObject;
 
   const CPDF_GeneralStateData* pGeneralState = pPageObj->m_GeneralState;
   int blend_type =
       pGeneralState ? pGeneralState->m_BlendType : FXDIB_BLEND_NORMAL;
   if (blend_type != FXDIB_BLEND_NORMAL)
     return TRUE;
 
   CPDF_Dictionary* pSMaskDict =
-      pGeneralState ? ToDictionary(pGeneralState->m_pSoftMask) : NULL;
+      pGeneralState ? ToDictionary(pGeneralState->m_pSoftMask) : nullptr;
   if (pSMaskDict)
     return TRUE;
 
   if (pGeneralState && pGeneralState->m_FillAlpha != 1.0f)
     return TRUE;
 
   if (pPageObj->IsPath()) {
     if (pGeneralState && pGeneralState->m_StrokeAlpha != 1.0f)
       return TRUE;
   }
@@ skipping 52 matching lines @@
     return;
   CPDF_AnnotList AnnotList(pPage);
   for (size_t i = 0; i < AnnotList.Count(); ++i) {
     CPDF_Annot* pAnnot = AnnotList.GetAt(i);
     // transformAnnots Rectangle
     CFX_FloatRect rect;
     pAnnot->GetRect(rect);
     CFX_Matrix matrix((FX_FLOAT)a, (FX_FLOAT)b, (FX_FLOAT)c, (FX_FLOAT)d,
                       (FX_FLOAT)e, (FX_FLOAT)f);
     rect.Transform(&matrix);
-    CPDF_Array* pRectArray = NULL;
-    pRectArray = pAnnot->GetAnnotDict()->GetArrayBy("Rect");
+    CPDF_Array* pRectArray = pAnnot->GetAnnotDict()->GetArrayBy("Rect");
     if (!pRectArray)
       pRectArray = new CPDF_Array;
     pRectArray->SetAt(0, new CPDF_Number(rect.left));
     pRectArray->SetAt(1, new CPDF_Number(rect.bottom));
     pRectArray->SetAt(2, new CPDF_Number(rect.right));
     pRectArray->SetAt(3, new CPDF_Number(rect.top));
     pAnnot->GetAnnotDict()->SetAt("Rect", pRectArray);
 
     // Transform AP's rectangle
     // To Do
   }
 }
 
 DLLEXPORT void STDCALL FPDFPage_SetRotation(FPDF_PAGE page, int rotate) {
   CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
   if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type") ||
       !pPage->m_pFormDict->GetObjectBy("Type")->GetDirect() ||
       pPage->m_pFormDict->GetObjectBy("Type")->GetDirect()->GetString().Compare(
           "Page")) {
     return;
   }
   CPDF_Dictionary* pDict = pPage->m_pFormDict;
   rotate %= 4;
 
   pDict->SetAt("Rotate", new CPDF_Number(rotate * 90));
 }