Get rid of NULLs in xfa/

xfa/fxfa/parser/xfa_script_layoutpseudomodel.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 "xfa/fxfa/parser/xfa_script_layoutpseudomodel.h"
 
 #include <set>
 
@@ skipping 30 matching lines @@
     return;
   }
   int32_t iStatus = pNotify->GetLayoutStatus();
   FXJSE_Value_SetBoolean(pValue, iStatus >= 2);
 }
 void CScript_LayoutPseudoModel::Script_LayoutPseudoModel_HWXY(
     CFXJSE_Arguments* pArguments,
     XFA_LAYOUTMODEL_HWXY layoutModel) {
   int32_t iLength = pArguments->GetLength();
   if (iLength < 1 || iLength > 3) {
-    const FX_WCHAR* methodName = NULL;
+    const FX_WCHAR* methodName = nullptr;
     switch (layoutModel) {
       case XFA_LAYOUTMODEL_H:
         methodName = L"h";
         break;
       case XFA_LAYOUTMODEL_W:
         methodName = L"w";
         break;
       case XFA_LAYOUTMODEL_X:
         methodName = L"x";
         break;
       case XFA_LAYOUTMODEL_Y:
         methodName = L"y";
         break;
     }
     ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, methodName);
     return;
   }
-  CXFA_Node* pNode = NULL;
+  CXFA_Node* pNode = nullptr;
   CFX_WideString wsUnit(L"pt");
   int32_t iIndex = 0;
   if (iLength >= 1) {
     pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
   }
   if (iLength >= 2) {
     CFX_ByteString bsUnit = pArguments->GetUTF8String(1);
     if (!bsUnit.IsEmpty()) {
       wsUnit = CFX_WideString::FromUTF8(bsUnit.AsStringC());
     }
@@ skipping 93 matching lines @@
     CFXJSE_Arguments* pArguments) {
   Script_LayoutPseudoModel_NumberedPageCount(pArguments, TRUE);
 }
 void CScript_LayoutPseudoModel::Script_LayoutPseudoModel_PageSpan(
     CFXJSE_Arguments* pArguments) {
   int32_t iLength = pArguments->GetLength();
   if (iLength != 1) {
     ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"pageSpan");
     return;
   }
-  CXFA_Node* pNode = NULL;
+  CXFA_Node* pNode = nullptr;
   if (iLength >= 1) {
     pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
   }
   if (!pNode) {
     return;
   }
   CXFA_LayoutProcessor* pDocLayout = m_pDocument->GetDocLayout();
   if (!pDocLayout) {
     return;
   }
@@ skipping 234 matching lines @@
     CFXJSE_Arguments* pArguments) {
   Script_LayoutPseudoModel_PageSpan(pArguments);
 }
 void CScript_LayoutPseudoModel::Script_LayoutPseudoModel_AbsPageInBatch(
     CFXJSE_Arguments* pArguments) {
   int32_t iLength = pArguments->GetLength();
   if (iLength != 1) {
     ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"absPageInBatch");
     return;
   }
-  CXFA_Node* pNode = NULL;
+  CXFA_Node* pNode = nullptr;
   if (iLength >= 1) {
     pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
   }
   if (!pNode) {
     return;
   }
   CXFA_FFNotify* pNotify = m_pDocument->GetParser()->GetNotify();
   if (!pNotify) {
     return;
   }
@@ skipping 13 matching lines @@
     FXJSE_Value_SetInteger(pValue, iPageCount);
   }
 }
 void CScript_LayoutPseudoModel::Script_LayoutPseudoModel_SheetInBatch(
     CFXJSE_Arguments* pArguments) {
   int32_t iLength = pArguments->GetLength();
   if (iLength != 1) {
     ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"sheetInBatch");
     return;
   }
-  CXFA_Node* pNode = NULL;
+  CXFA_Node* pNode = nullptr;
   if (iLength >= 1) {
     pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
   }
   if (!pNode) {
     return;
   }
   CXFA_FFNotify* pNotify = m_pDocument->GetParser()->GetNotify();
   if (!pNotify) {
     return;
   }
@@ skipping 34 matching lines @@
   if (iLength != 1) {
     const FX_WCHAR* methodName;
     if (bAbsPage) {
       methodName = L"absPage";
     } else {
       methodName = L"page";
     }
     ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, methodName);
     return;
   }
-  CXFA_Node* pNode = NULL;
+  CXFA_Node* pNode = nullptr;
   if (iLength >= 1) {
     pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
   }
   int32_t iPage = 0;
   CFXJSE_Value* pValue = pArguments->GetReturnValue();
   if (!pNode && pValue) {
     FXJSE_Value_SetInteger(pValue, iPage);
   }
   CXFA_LayoutProcessor* pDocLayout = m_pDocument->GetDocLayout();
   if (!pDocLayout) {
     return;
   }
   CXFA_LayoutItem* pLayoutItem = pDocLayout->GetLayoutItem(pNode);
   if (!pLayoutItem) {
     FXJSE_Value_SetInteger(pValue, -1);
     return;
   }
   iPage = pLayoutItem->GetFirst()->GetPage()->GetPageIndex();
   if (pValue) {
     FXJSE_Value_SetInteger(pValue, bAbsPage ? iPage : iPage + 1);
   }
 }