Get rid of most instance of 'foo != NULL'

fpdfsdk/src/formfiller/FFL_TextField.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 "fpdfsdk/include/formfiller/FFL_CBA_Fontmap.h"
 #include "fpdfsdk/include/formfiller/FFL_TextField.h"
 
 /* ------------------------------- CFFL_TextField
  * ------------------------------- */
 
 CFFL_TextField::CFFL_TextField(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pAnnot)
-    : CFFL_FormFiller(pApp, pAnnot),
-      m_pFontMap(NULL)  //,
-// m_pSpellCheck(NULL)
-{
+    : CFFL_FormFiller(pApp, pAnnot), m_pFontMap(NULL) {
   m_State.nStart = m_State.nEnd = 0;
 }
 
 CFFL_TextField::~CFFL_TextField() {
   delete m_pFontMap;
 }
 
 PWL_CREATEPARAM CFFL_TextField::GetCreateParam() {
   PWL_CREATEPARAM cp = CFFL_FormFiller::GetCreateParam();
 
-  ASSERT(m_pWidget != NULL);
   int nFlags = m_pWidget->GetFieldFlags();
 
   if (nFlags & FIELDFLAG_PASSWORD) {
     cp.dwFlags |= PES_PASSWORD;
   }
 
   if (!(nFlags & FIELDFLAG_DONOTSPELLCHECK)) {
   }
 
   if (nFlags & FIELDFLAG_MULTILINE) {
@@ skipping 42 matching lines @@
 
   return cp;
 }
 
 CPWL_Wnd* CFFL_TextField::NewPDFWindow(const PWL_CREATEPARAM& cp,
                                        CPDFSDK_PageView* pPageView) {
   CPWL_Edit* pWnd = new CPWL_Edit();
   pWnd->AttachFFLData(this);
   pWnd->Create(cp);
 
-  ASSERT(m_pApp != NULL);
   CFFL_IFormFiller* pIFormFiller = m_pApp->GetIFormFiller();
   pWnd->SetFillerNotify(pIFormFiller);
 
-  ASSERT(m_pWidget != NULL);
   int32_t nMaxLen = m_pWidget->GetMaxLen();
   CFX_WideString swValue = m_pWidget->GetValue();
 
   if (nMaxLen > 0) {
     if (pWnd->HasFlag(PES_CHARARRAY)) {
       pWnd->SetCharArray(nMaxLen);
       pWnd->SetAlignFormatV(PEAV_CENTER);
     } else {
       pWnd->SetLimitChar(nMaxLen);
     }
   }
 
   pWnd->SetText(swValue.c_str());
   return pWnd;
 }
 
 FX_BOOL CFFL_TextField::OnChar(CPDFSDK_Annot* pAnnot,
                                FX_UINT nChar,
                                FX_UINT nFlags) {
   switch (nChar) {
     case FWL_VKEY_Return:
       if (!(m_pWidget->GetFieldFlags() & FIELDFLAG_MULTILINE)) {
         CPDFSDK_PageView* pPageView = GetCurPageView();
-        ASSERT(pPageView != NULL);
+        ASSERT(pPageView);
         m_bValid = !m_bValid;
         CPDF_Rect rcAnnot = pAnnot->GetRect();
         m_pApp->FFI_Invalidate(pAnnot->GetUnderlyingPage(), rcAnnot.left,
                                rcAnnot.top, rcAnnot.right, rcAnnot.bottom);
 
         if (m_bValid) {
           if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, TRUE))
             pWnd->SetFocus();
         } else {
           if (CommitData(pPageView, nFlags)) {
             DestroyPDFWindow(pPageView);
             return TRUE;
           }
           return FALSE;
         }
       }
       break;
     case FWL_VKEY_Escape: {
       CPDFSDK_PageView* pPageView = GetCurPageView();
-      ASSERT(pPageView != NULL);
+      ASSERT(pPageView);
       EscapeFiller(pPageView, TRUE);
       return TRUE;
     }
   }
 
   return CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);
 }
 
 FX_BOOL CFFL_TextField::IsDataChanged(CPDFSDK_PageView* pPageView) {
-  ASSERT(m_pWidget != NULL);
-
   if (CPWL_Edit* pEdit = (CPWL_Edit*)GetPDFWindow(pPageView, FALSE))
     return pEdit->GetText() != m_pWidget->GetValue();
 
   return FALSE;
 }
 
 void CFFL_TextField::SaveData(CPDFSDK_PageView* pPageView) {
-  ASSERT(m_pWidget != NULL);
-
   if (CPWL_Edit* pWnd = (CPWL_Edit*)GetPDFWindow(pPageView, FALSE)) {
     CFX_WideString sOldValue = m_pWidget->GetValue();
     CFX_WideString sNewValue = pWnd->GetText();
 
     m_pWidget->SetValue(sNewValue, FALSE);
     m_pWidget->ResetFieldAppearance(TRUE);
     m_pWidget->UpdateField();
     SetChangeMark();
   }
 }
@@ skipping 14 matching lines @@
         }
       }
       break;
     case CPDF_AAction::Validate:
       if (CPWL_Edit* pWnd = (CPWL_Edit*)GetPDFWindow(pPageView, FALSE)) {
         fa.sValue = pWnd->GetText();
       }
       break;
     case CPDF_AAction::LoseFocus:
     case CPDF_AAction::GetFocus:
-      ASSERT(m_pWidget != NULL);
       fa.sValue = m_pWidget->GetValue();
       break;
     default:
       break;
   }
 }
 
 void CFFL_TextField::SetActionData(CPDFSDK_PageView* pPageView,
                                    CPDF_AAction::AActionType type,
                                    const PDFSDK_FieldAction& fa) {
@@ skipping 19 matching lines @@
              faOld.nSelStart != faNew.nSelStart ||
              faOld.sChange != faNew.sChange;
     default:
       break;
   }
 
   return FALSE;
 }
 
 void CFFL_TextField::SaveState(CPDFSDK_PageView* pPageView) {
-  ASSERT(pPageView != NULL);
+  ASSERT(pPageView);
 
   if (CPWL_Edit* pWnd = (CPWL_Edit*)GetPDFWindow(pPageView, FALSE)) {
     pWnd->GetSel(m_State.nStart, m_State.nEnd);
     m_State.sValue = pWnd->GetText();
   }
 }
 
 void CFFL_TextField::RestoreState(CPDFSDK_PageView* pPageView) {
-  ASSERT(pPageView != NULL);
+  ASSERT(pPageView);
 
   if (CPWL_Edit* pWnd = (CPWL_Edit*)GetPDFWindow(pPageView, TRUE)) {
     pWnd->SetText(m_State.sValue.c_str());
     pWnd->SetSel(m_State.nStart, m_State.nEnd);
   }
 }
 
 CPWL_Wnd* CFFL_TextField::ResetPDFWindow(CPDFSDK_PageView* pPageView,
                                          FX_BOOL bRestoreValue) {
   if (bRestoreValue)
     SaveState(pPageView);
 
   DestroyPDFWindow(pPageView);
 
   CPWL_Wnd* pRet = NULL;
 
   if (bRestoreValue) {
     RestoreState(pPageView);
     pRet = GetPDFWindow(pPageView, FALSE);
   } else
     pRet = GetPDFWindow(pPageView, TRUE);
 
   m_pWidget->UpdateField();
 
   return pRet;
 }
 
 void CFFL_TextField::OnSetFocus(CPWL_Wnd* pWnd) {
-  ASSERT(m_pApp != NULL);
-
-  ASSERT(pWnd != NULL);
-
+  ASSERT(m_pApp);
   if (pWnd->GetClassName() == PWL_CLASSNAME_EDIT) {
     CPWL_Edit* pEdit = (CPWL_Edit*)pWnd;
     pEdit->SetCharSet(134);
     pEdit->SetCodePage(936);
 
     pEdit->SetReadyToInput();
     CFX_WideString wsText = pEdit->GetText();
     int nCharacters = wsText.GetLength();
     CFX_ByteString bsUTFText = wsText.UTF16LE_Encode();
     unsigned short* pBuffer = (unsigned short*)bsUTFText.c_str();
     m_pApp->FFI_OnSetFieldInputFocus(m_pWidget->GetFormField(), pBuffer,
                                      nCharacters, TRUE);
 
     pEdit->SetEditNotify(this);
   }
 }
 
 void CFFL_TextField::OnKillFocus(CPWL_Wnd* pWnd) {}
 
 void CFFL_TextField::OnAddUndo(CPWL_Edit* pEdit) {}