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

fpdfsdk/src/formfiller/FFL_ComboBox.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_ComboBox.h"
 #include "fpdfsdk/include/formfiller/FFL_FormFiller.h"
 #include "fpdfsdk/include/formfiller/FFL_IFormFiller.h"
 #include "fpdfsdk/include/formfiller/FormFiller.h"
 
 /* ------------------------------- CFFL_ComboBox -------------------------------
  */
 
 CFFL_ComboBox::CFFL_ComboBox(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pAnnot)
     : CFFL_FormFiller(pApp, pAnnot), m_pFontMap(NULL) {
   m_State.nIndex = 0;
   m_State.nStart = 0;
   m_State.nEnd = 0;
 }
 
 CFFL_ComboBox::~CFFL_ComboBox() {
   delete m_pFontMap;
 }
 
 PWL_CREATEPARAM CFFL_ComboBox::GetCreateParam() {
   PWL_CREATEPARAM cp = CFFL_FormFiller::GetCreateParam();
 
-  ASSERT(m_pWidget != NULL);
-
   int nFlags = m_pWidget->GetFieldFlags();
-
   if (nFlags & FIELDFLAG_EDIT) {
     cp.dwFlags |= PCBS_ALLOWCUSTOMTEXT;
   }
 
   if (!m_pFontMap) {
     m_pFontMap = new CBA_FontMap(m_pWidget, GetSystemHandler());
     m_pFontMap->Initial();
   }
 
   cp.pFontMap = m_pFontMap;
@@ skipping 42 matching lines @@
   if (!(m_pWidget->GetFieldFlags() & FIELDFLAG_EDIT))
     return nCurSel != m_pWidget->GetSelectedIndex(0);
 
   if (nCurSel >= 0)
     return nCurSel != m_pWidget->GetSelectedIndex(0);
 
   return pWnd->GetText() != m_pWidget->GetValue();
 }
 
 void CFFL_ComboBox::SaveData(CPDFSDK_PageView* pPageView) {
-  ASSERT(m_pWidget != NULL);
-
   if (CPWL_ComboBox* pWnd = (CPWL_ComboBox*)GetPDFWindow(pPageView, FALSE)) {
     CFX_WideString swText = pWnd->GetText();
     int32_t nCurSel = pWnd->GetSelect();
 
     // mantis:0004157
     FX_BOOL bSetValue = TRUE;
 
     if (m_pWidget->GetFieldFlags() & FIELDFLAG_EDIT) {
       if (nCurSel >= 0) {
         if (swText != m_pWidget->GetOptionLabel(nCurSel))
@@ skipping 50 matching lines @@
     case CPDF_AAction::Validate:
       if (CPWL_ComboBox* pComboBox =
               static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE))) {
         if (CPWL_Edit* pEdit = pComboBox->GetEdit()) {
           fa.sValue = pEdit->GetText();
         }
       }
       break;
     case CPDF_AAction::LoseFocus:
     case CPDF_AAction::GetFocus:
-      ASSERT(m_pWidget != NULL);
       fa.sValue = m_pWidget->GetValue();
       break;
     default:
       break;
   }
 }
 
 void CFFL_ComboBox::SetActionData(CPDFSDK_PageView* pPageView,
                                   CPDF_AAction::AActionType type,
                                   const PDFSDK_FieldAction& fa) {
@@ skipping 21 matching lines @@
              faOld.nSelStart != faNew.nSelStart ||
              faOld.sChange != faNew.sChange;
     default:
       break;
   }
 
   return FALSE;
 }
 
 void CFFL_ComboBox::SaveState(CPDFSDK_PageView* pPageView) {
-  ASSERT(pPageView != NULL);
+  ASSERT(pPageView);
 
   if (CPWL_ComboBox* pComboBox =
           static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE))) {
     m_State.nIndex = pComboBox->GetSelect();
 
     if (CPWL_Edit* pEdit = pComboBox->GetEdit()) {
       pEdit->GetSel(m_State.nStart, m_State.nEnd);
       m_State.sValue = pEdit->GetText();
     }
   }
 }
 
 void CFFL_ComboBox::RestoreState(CPDFSDK_PageView* pPageView) {
-  ASSERT(pPageView != NULL);
+  ASSERT(pPageView);
 
   if (CPWL_ComboBox* pComboBox =
           static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, TRUE))) {
     if (m_State.nIndex >= 0)
       pComboBox->SetSelect(m_State.nIndex);
     else {
       if (CPWL_Edit* pEdit = pComboBox->GetEdit()) {
         pEdit->SetText(m_State.sValue.c_str());
         pEdit->SetSel(m_State.nStart, m_State.nEnd);
       }
@@ skipping 15 matching lines @@
     pRet = GetPDFWindow(pPageView, FALSE);
   } else
     pRet = GetPDFWindow(pPageView, TRUE);
 
   m_pWidget->UpdateField();
 
   return pRet;
 }
 
 void CFFL_ComboBox::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_ComboBox::OnKillFocus(CPWL_Wnd* pWnd) {
-  ASSERT(m_pApp != NULL);
+  ASSERT(m_pApp);
 }
 
 void CFFL_ComboBox::OnAddUndo(CPWL_Edit* pEdit) {
-  ASSERT(pEdit != NULL);
+  ASSERT(pEdit);
 }
 
 CFX_WideString CFFL_ComboBox::GetSelectExportText() {
   CFX_WideString swRet;
 
   int nExport = -1;
   CPDFSDK_PageView* pPageView = GetCurPageView();
   if (CPWL_ComboBox* pComboBox =
           (CPWL_ComboBox*)GetPDFWindow(pPageView, FALSE)) {
     nExport = pComboBox->GetSelect();
   }
 
   if (nExport >= 0) {
     if (CPDF_FormField* pFormField = m_pWidget->GetFormField()) {
       swRet = pFormField->GetOptionValue(nExport);
       if (swRet.IsEmpty())
         swRet = pFormField->GetOptionLabel(nExport);
     }
   }
 
   return swRet;
 }