Get rid of NULLs in fpdfsdk/

fpdfsdk/fxedit/fxet_edit.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/fxedit/include/fxet_edit.h"
 
 #include <algorithm>
 
@@ skipping 321 matching lines @@
 }
 
 FX_BOOL CFX_Edit_Undo::IsModified() const {
   return m_bVirgin ? m_bModified : TRUE;
 }
 
 IFX_Edit_UndoItem* CFX_Edit_Undo::GetItem(int32_t nIndex) {
   if (nIndex >= 0 && nIndex < m_UndoItemStack.GetSize())
     return m_UndoItemStack.GetAt(nIndex);
 
-  return NULL;
+  return nullptr;
 }
 
 void CFX_Edit_Undo::RemoveHeads() {
   ASSERT(m_UndoItemStack.GetSize() > 1);
 
   delete m_UndoItemStack.GetAt(0);
   m_UndoItemStack.RemoveAt(0);
 }
 
 void CFX_Edit_Undo::RemoveTails() {
@@ skipping 216 matching lines @@
     m_pEdit->SelectNone();
     m_pEdit->SetSel(m_wrSel.BeginPos, m_wrSel.EndPos);
     m_pEdit->Clear(FALSE, TRUE);
   }
 }
 
 void CFXEU_Clear::Undo() {
   if (m_pEdit) {
     m_pEdit->SelectNone();
     m_pEdit->SetCaret(m_wrSel.BeginPos);
-    m_pEdit->InsertText(m_swText.c_str(), DEFAULT_CHARSET, NULL, NULL, FALSE,
-                        TRUE);
+    m_pEdit->InsertText(m_swText.c_str(), DEFAULT_CHARSET, nullptr, nullptr,
+                        FALSE, TRUE);
     m_pEdit->SetSel(m_wrSel.BeginPos, m_wrSel.EndPos);
   }
 }
 
 CFXEU_ClearRich::CFXEU_ClearRich(CFX_Edit* pEdit,
                                  const CPVT_WordPlace& wpOldPlace,
                                  const CPVT_WordPlace& wpNewPlace,
                                  const CPVT_WordRange& wrSel,
                                  uint16_t word,
                                  int32_t charset,
@@ skipping 481 matching lines @@
 
 void CFX_Edit::SetRichText(FX_BOOL bRichText, FX_BOOL bPaint) {
   m_pVT->SetRichText(bRichText);
   if (bPaint)
     Paint();
 }
 
 FX_BOOL CFX_Edit::SetRichFontIndex(int32_t nFontIndex) {
   CPVT_WordProps WordProps;
   WordProps.nFontIndex = nFontIndex;
-  return SetRichTextProps(EP_FONTINDEX, NULL, &WordProps);
+  return SetRichTextProps(EP_FONTINDEX, nullptr, &WordProps);
 }
 
 FX_BOOL CFX_Edit::SetRichFontSize(FX_FLOAT fFontSize) {
   CPVT_WordProps WordProps;
   WordProps.fFontSize = fFontSize;
-  return SetRichTextProps(EP_FONTSIZE, NULL, &WordProps);
+  return SetRichTextProps(EP_FONTSIZE, nullptr, &WordProps);
 }
 
 FX_BOOL CFX_Edit::SetRichTextColor(FX_COLORREF dwColor) {
   CPVT_WordProps WordProps;
   WordProps.dwWordColor = dwColor;
-  return SetRichTextProps(EP_WORDCOLOR, NULL, &WordProps);
+  return SetRichTextProps(EP_WORDCOLOR, nullptr, &WordProps);
 }
 
 FX_BOOL CFX_Edit::SetRichTextScript(CPDF_VariableText::ScriptType nScriptType) {
   CPVT_WordProps WordProps;
   WordProps.nScriptType = nScriptType;
-  return SetRichTextProps(EP_SCRIPTTYPE, NULL, &WordProps);
+  return SetRichTextProps(EP_SCRIPTTYPE, nullptr, &WordProps);
 }
 
 FX_BOOL CFX_Edit::SetRichTextBold(FX_BOOL bBold) {
   CPVT_WordProps WordProps;
   if (bBold)
     WordProps.nWordStyle |= PVTWORD_STYLE_BOLD;
-  return SetRichTextProps(EP_BOLD, NULL, &WordProps);
+  return SetRichTextProps(EP_BOLD, nullptr, &WordProps);
 }
 
 FX_BOOL CFX_Edit::SetRichTextItalic(FX_BOOL bItalic) {
   CPVT_WordProps WordProps;
   if (bItalic)
     WordProps.nWordStyle |= PVTWORD_STYLE_ITALIC;
-  return SetRichTextProps(EP_ITALIC, NULL, &WordProps);
+  return SetRichTextProps(EP_ITALIC, nullptr, &WordProps);
 }
 
 FX_BOOL CFX_Edit::SetRichTextUnderline(FX_BOOL bUnderline) {
   CPVT_WordProps WordProps;
   if (bUnderline)
     WordProps.nWordStyle |= PVTWORD_STYLE_UNDERLINE;
-  return SetRichTextProps(EP_UNDERLINE, NULL, &WordProps);
+  return SetRichTextProps(EP_UNDERLINE, nullptr, &WordProps);
 }
 
 FX_BOOL CFX_Edit::SetRichTextCrossout(FX_BOOL bCrossout) {
   CPVT_WordProps WordProps;
   if (bCrossout)
     WordProps.nWordStyle |= PVTWORD_STYLE_CROSSOUT;
-  return SetRichTextProps(EP_CROSSOUT, NULL, &WordProps);
+  return SetRichTextProps(EP_CROSSOUT, nullptr, &WordProps);
 }
 
 FX_BOOL CFX_Edit::SetRichTextCharSpace(FX_FLOAT fCharSpace) {
   CPVT_WordProps WordProps;
   WordProps.fCharSpace = fCharSpace;
-  return SetRichTextProps(EP_CHARSPACE, NULL, &WordProps);
+  return SetRichTextProps(EP_CHARSPACE, nullptr, &WordProps);
 }
 
 FX_BOOL CFX_Edit::SetRichTextHorzScale(int32_t nHorzScale) {
   CPVT_WordProps WordProps;
   WordProps.nHorzScale = nHorzScale;
-  return SetRichTextProps(EP_HORZSCALE, NULL, &WordProps);
+  return SetRichTextProps(EP_HORZSCALE, nullptr, &WordProps);
 }
 
 FX_BOOL CFX_Edit::SetRichTextLineLeading(FX_FLOAT fLineLeading) {
   CPVT_SecProps SecProps;
   SecProps.fLineLeading = fLineLeading;
-  return SetRichTextProps(EP_LINELEADING, &SecProps, NULL);
+  return SetRichTextProps(EP_LINELEADING, &SecProps, nullptr);
 }
 
 FX_BOOL CFX_Edit::SetRichTextLineIndent(FX_FLOAT fLineIndent) {
   CPVT_SecProps SecProps;
   SecProps.fLineIndent = fLineIndent;
-  return SetRichTextProps(EP_LINEINDENT, &SecProps, NULL);
+  return SetRichTextProps(EP_LINEINDENT, &SecProps, nullptr);
 }
 
 FX_BOOL CFX_Edit::SetRichTextAlignment(int32_t nAlignment) {
   CPVT_SecProps SecProps;
   SecProps.nAlignment = nAlignment;
-  return SetRichTextProps(EP_ALIGNMENT, &SecProps, NULL);
+  return SetRichTextProps(EP_ALIGNMENT, &SecProps, nullptr);
 }
 
 FX_BOOL CFX_Edit::SetRichTextProps(EDIT_PROPS_E eProps,
                                    const CPVT_SecProps* pSecProps,
                                    const CPVT_WordProps* pWordProps) {
   if (!m_pVT->IsValid() || !m_pVT->IsRichText())
     return FALSE;
 
   CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
   CPVT_WordRange wrTemp = m_SelState.ConvertToWordRange();
@@ skipping 1785 matching lines @@
   ASSERT(!m_pGroupUndoItem);
 
   m_pGroupUndoItem = new CFX_Edit_GroupUndoItem(sTitle);
 }
 
 void CFX_Edit::EndGroupUndo() {
   m_pGroupUndoItem->UpdateItems();
   m_Undo.AddItem(m_pGroupUndoItem);
   if (m_bOprNotify && m_pOprNotify)
     m_pOprNotify->OnAddUndo(m_pGroupUndoItem);
-  m_pGroupUndoItem = NULL;
+  m_pGroupUndoItem = nullptr;
 }
 
 void CFX_Edit::AddEditUndoItem(CFX_Edit_UndoItem* pEditUndoItem) {
   if (m_pGroupUndoItem) {
     m_pGroupUndoItem->AddUndoItem(pEditUndoItem);
   } else {
     m_Undo.AddItem(pEditUndoItem);
     if (m_bOprNotify && m_pOprNotify)
       m_pOprNotify->OnAddUndo(pEditUndoItem);
   }
 }
 
 void CFX_Edit::AddUndoItem(IFX_Edit_UndoItem* pUndoItem) {
   m_Undo.AddItem(pUndoItem);
   if (m_bOprNotify && m_pOprNotify)
     m_pOprNotify->OnAddUndo(pUndoItem);
 }