Add back-pointer to "Associated widget" to CFWL_WidgetImp.

core/fxcrt/fx_basic_util.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 "core/fxcrt/include/fx_basic.h"
 #include "core/fxcrt/include/fx_ext.h"
 
 #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
 #include <dirent.h>
 #include <sys/types.h>
 #else
 #include <direct.h>
 #endif
 
 #include <algorithm>
 #include <cctype>
 #include <memory>
 
-#ifdef PDF_ENABLE_XFA
-CFX_PrivateData::CFX_PrivateData() {}
-
-CFX_PrivateData::~CFX_PrivateData() {
-  ClearAll();
-}
-void FX_PRIVATEDATA::FreeData() {
-  if (!m_pData) {
-    return;
-  }
-  if (m_bSelfDestruct) {
-    delete static_cast<CFX_Deletable*>(m_pData);
-  } else if (m_pCallback) {
-    m_pCallback(m_pData);
-  }
-}
-void CFX_PrivateData::AddData(void* pModuleId,
-                              void* pData,
-                              PD_CALLBACK_FREEDATA callback,
-                              FX_BOOL bSelfDestruct) {
-  if (!pModuleId) {
-    return;
-  }
-  FX_PRIVATEDATA* pList = m_DataList.GetData();
-  int count = m_DataList.GetSize();
-  for (int i = 0; i < count; i++) {
-    if (pList[i].m_pModuleId == pModuleId) {
-      pList[i].FreeData();
-      pList[i].m_pData = pData;
-      pList[i].m_pCallback = callback;
-      return;
-    }
-  }
-  FX_PRIVATEDATA data = {pModuleId, pData, callback, bSelfDestruct};
-  m_DataList.Add(data);
-}
-void CFX_PrivateData::SetPrivateData(void* pModuleId,
-                                     void* pData,
-                                     PD_CALLBACK_FREEDATA callback) {
-  AddData(pModuleId, pData, callback, FALSE);
-}
-void CFX_PrivateData::SetPrivateObj(void* pModuleId, CFX_Deletable* pObj) {
-  AddData(pModuleId, pObj, NULL, TRUE);
-}
-FX_BOOL CFX_PrivateData::RemovePrivateData(void* pModuleId) {
-  if (!pModuleId) {
-    return FALSE;
-  }
-  FX_PRIVATEDATA* pList = m_DataList.GetData();
-  int count = m_DataList.GetSize();
-  for (int i = 0; i < count; i++) {
-    if (pList[i].m_pModuleId == pModuleId) {
-      m_DataList.RemoveAt(i);
-      return TRUE;
-    }
-  }
-  return FALSE;
-}
-void* CFX_PrivateData::GetPrivateData(void* pModuleId) {
-  if (!pModuleId) {
-    return NULL;
-  }
-  FX_PRIVATEDATA* pList = m_DataList.GetData();
-  int count = m_DataList.GetSize();
-  for (int i = 0; i < count; i++) {
-    if (pList[i].m_pModuleId == pModuleId) {
-      return pList[i].m_pData;
-    }
-  }
-  return NULL;
-}
-void CFX_PrivateData::ClearAll() {
-  FX_PRIVATEDATA* pList = m_DataList.GetData();
-  int count = m_DataList.GetSize();
-  for (int i = 0; i < count; i++) {
-    pList[i].FreeData();
-  }
-  m_DataList.RemoveAll();
-}
-#endif  // PDF_ENABLE_XFA
-
 void FX_atonum(const CFX_ByteStringC& strc, FX_BOOL& bInteger, void* pData) {
   if (strc.Find('.') == -1) {
     bInteger = TRUE;
     int cc = 0;
     pdfium::base::CheckedNumeric<int> integer = 0;
     FX_STRSIZE len = strc.GetLength();
     bool bNegative = false;
     if (strc[0] == '+') {
       cc++;
     } else if (strc[0] == '-') {
@@ skipping 259 matching lines @@
     dstShift -= 8;
     result |= *dataPtr++ << dstShift;
   }
   if (dstShift > 0) {
     bitShift = 8 - dstShift;
     bitMask = (1 << dstShift) - 1;
     result |= *dataPtr++ >> bitShift & bitMask;
   }
   return result;
 }