1 files changed, 372 insertions, 372 deletions
diff --git a/xfa/src/fee/src/fee/fde_txtedtengine.h b/xfa/src/fee/src/fee/fde_txtedtengine.h
index 086168d7ae..70ecd23e06 100644
--- a/xfa/src/fee/src/fee/fde_txtedtengine.h
+++ b/xfa/src/fee/src/fee/fde_txtedtengine.h
@@ -1,372 +1,372 @@
-// 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
-
-#ifndef _FDE_TXTEDTENGINE_H
-#define _FDE_TXTEDTENGINE_H
-class CFDE_TxtEdtBuf;
-class CFDE_TxtEdtPage;
-class IFX_TxtBreak;
-class CFDE_TxtEdtParag;
-class CFDE_TxtEdtKMPMatch;
-class IFDE_TxtEdtFormator;
-class CFDE_TxtEdtField;
-class CFDE_TxtEdtBlock;
-class IFX_CharIter;
-class CFDE_TxtEdtEngine;
-class CFDE_TxtEdtDoRecord_Insert;
-class CFDE_TxtEdtDoRecord_DeleteRange;
-#ifdef FDE_USEFORMATBLOCK
-class CFDE_TxtEdtDoRecord_FormatInsert;
-class CFDE_TxtEdtDoRecord_FormatDelete;
-class CFDE_TxtEdtDoRecord_FormatReplace;
-class CFDE_TxtEdtDoRecord_FieldInsert;
-class CFDE_TxtEdtDoRecord_FieldDelete;
-class CFDE_TxtEdtDoRecord_FieldReplace;
-#endif
-class IFDE_TxtEdtDoRecord {
- public:
-  static IFDE_TxtEdtDoRecord* Create(const CFX_ByteStringC& bsDoRecord);
-  virtual ~IFDE_TxtEdtDoRecord() {}
-  virtual void Release() = 0;
-  virtual FX_BOOL Redo() = 0;
-  virtual FX_BOOL Undo() = 0;
-  virtual void Serialize(CFX_ByteString& bsDoRecord) const = 0;
-};
-class CFDE_TxtEdtEngine : public IFDE_TxtEdtEngine {
-  friend class CFDE_TxtEdtDoRecord_Insert;
-  friend class CFDE_TxtEdtDoRecord_DeleteRange;
-  friend class CFDE_TxtEdtPage;
-#ifdef FDE_USEFORMATBLOCK
-  friend class CFDE_TxtEdtDoRecord_FormatInsert;
-  friend class CFDE_TxtEdtDoRecord_FormatDelete;
-  friend class CFDE_TxtEdtDoRecord_FormatReplace;
-  friend class CFDE_TxtEdtBlock;
-#endif
-  struct _FDE_TXTEDTSELRANGE {
-    int32_t nStart;
-    int32_t nCount;
-  };
-  typedef _FDE_TXTEDTSELRANGE FDE_TXTEDTSELRANGE;
-  typedef _FDE_TXTEDTSELRANGE* FDE_LPTXTEDTSELRANGE;
-  struct _FDE_TXTEDTPARAGPOS {
-    int32_t nParagIndex;
-    int32_t nCharIndex;
-  };
-  typedef _FDE_TXTEDTPARAGPOS FDE_TXTEDTPARAGPOS;
-  typedef _FDE_TXTEDTPARAGPOS* FDE_LPTXTEDTPARAGPOS;
-
- public:
-  CFDE_TxtEdtEngine();
-  virtual void Release();
-
-  virtual void SetEditParams(const FDE_TXTEDTPARAMS& params);
-  virtual const FDE_TXTEDTPARAMS* GetEditParams() const;
-
-  virtual int32_t CountPages() const;
-  virtual IFDE_TxtEdtPage* GetPage(int32_t nIndex);
-
-  virtual FX_BOOL SetBufChunkSize(int32_t nChunkSize);
-  virtual void SetTextByStream(IFX_Stream* pStream);
-  virtual void SetText(const CFX_WideString& wsText);
-  virtual int32_t GetTextLength() const;
-  virtual void GetText(CFX_WideString& wsText,
-                       int32_t nStart,
-                       int32_t nCount = -1);
-  virtual void ClearText();
-
-  virtual int32_t GetCaretRect(CFX_RectF& rtCaret) const;
-  virtual int32_t GetCaretPos() const;
-  virtual int32_t SetCaretPos(int32_t nIndex, FX_BOOL bBefore);
-  virtual int32_t MoveCaretPos(FDE_TXTEDTMOVECARET eMoveCaret,
-                               FX_BOOL bShift = FALSE,
-                               FX_BOOL bCtrl = FALSE);
-  virtual void Lock();
-  virtual void Unlock();
-  virtual FX_BOOL IsLocked() const;
-
-  virtual int32_t Insert(int32_t nStart,
-                         const FX_WCHAR* lpText,
-                         int32_t nLength);
-  virtual int32_t Delete(int32_t nStart, FX_BOOL bBackspace = FALSE);
-  virtual int32_t DeleteRange(int32_t nStart, int32_t nCount = -1);
-  virtual int32_t Replace(int32_t nStart,
-                          int32_t nLength,
-                          const CFX_WideString& wsReplace);
-
-  virtual void SetLimit(int32_t nLimit);
-  virtual void SetAliasChar(FX_WCHAR wcAlias);
-  virtual void SetFormatBlock(int32_t nIndex,
-                              const CFX_WideString& wsBlockFormat);
-  virtual int32_t CountEditBlocks() const;
-  virtual void GetEditBlockText(int32_t nIndex,
-                                CFX_WideString& wsBlockText) const;
-  virtual int32_t CountEditFields(int32_t nBlockIndex) const;
-  virtual void GetEditFieldText(int32_t nBlockIndex,
-                                int32_t nFieldIndex,
-                                CFX_WideString& wsFieldText) const;
-  virtual void StartEdit();
-  virtual void EndEdit();
-
-  void RemoveSelRange(int32_t nStart, int32_t nCount = -1);
-
-  virtual void AddSelRange(int32_t nStart, int32_t nCount = -1);
-  virtual int32_t CountSelRanges();
-  virtual int32_t GetSelRange(int32_t nIndex, int32_t& nStart);
-  virtual void ClearSelection();
-
-  virtual FX_BOOL Redo(const CFX_ByteStringC& bsRedo);
-  virtual FX_BOOL Undo(const CFX_ByteStringC& bsUndo);
-
-  virtual int32_t StartLayout();
-  virtual int32_t DoLayout(IFX_Pause* pPause);
-  virtual void EndLayout();
-
-  virtual FX_BOOL Optimize(IFX_Pause* pPause = NULL);
-  virtual int32_t CountParags() const;
-  virtual IFDE_TxtEdtParag* GetParag(int32_t nParagIndex) const;
-  virtual IFX_CharIter* CreateCharIter();
-  IFDE_TxtEdtBuf* GetTextBuf() const;
-  int32_t GetTextBufLength() const;
-  IFX_TxtBreak* GetTextBreak() const;
-  int32_t GetLineCount() const;
-  int32_t GetPageLineCount() const;
-
-  int32_t Line2Parag(int32_t nStartParag,
-                     int32_t nStartLineofParag,
-                     int32_t nLineIndex,
-                     int32_t& nStartLine) const;
-  FX_WCHAR GetAliasChar() const { return m_wcAliasChar; }
-
- protected:
-  virtual ~CFDE_TxtEdtEngine();
-
- private:
-  void Inner_Insert(int32_t nStart, const FX_WCHAR* lpText, int32_t nLength);
-#ifdef FDE_USEFORMATBLOCK
-  void RawInsert(int32_t nStart, const FX_WCHAR* lpText, int32_t nLength);
-#endif
-  void GetPreDeleteText(CFX_WideString& wsText,
-                        int32_t nIndex,
-                        int32_t nLength);
-  void GetPreInsertText(CFX_WideString& wsText,
-                        int32_t nIndex,
-                        const FX_WCHAR* lpText,
-                        int32_t nLength);
-  void GetPreReplaceText(CFX_WideString& wsText,
-                         int32_t nIndex,
-                         int32_t nOriginLength,
-                         const FX_WCHAR* lpText,
-                         int32_t nLength);
-
-  void Inner_DeleteRange(int32_t nStart, int32_t nCount = -1);
-  void DeleteRange_DoRecord(int32_t nStart,
-                            int32_t nCount,
-                            FX_BOOL bSel = FALSE);
-  void ResetEngine();
-  void RebuildParagraphs();
-  void RemoveAllParags();
-  void RemoveAllPages();
-  void UpdateParags();
-  void UpdatePages();
-  void UpdateTxtBreak();
-
-  FX_BOOL ReplaceParagEnd(FX_WCHAR*& lpText,
-                          int32_t& nLength,
-                          FX_BOOL bPreIsCR = FALSE);
-  void RecoverParagEnd(CFX_WideString& wsText);
-  int32_t MovePage2Char(int32_t nIndex);
-  void TextPos2ParagPos(int32_t nIndex, FDE_TXTEDTPARAGPOS& ParagPos) const;
-  int32_t MoveForward(FX_BOOL& bBefore);
-  int32_t MoveBackward(FX_BOOL& bBefore);
-  FX_BOOL MoveUp(CFX_PointF& ptCaret);
-  FX_BOOL MoveDown(CFX_PointF& ptCaret);
-  FX_BOOL MoveLineStart();
-  FX_BOOL MoveLineEnd();
-  FX_BOOL MoveParagStart();
-  FX_BOOL MoveParagEnd();
-  FX_BOOL MoveHome();
-  FX_BOOL MoveEnd();
-  FX_BOOL IsFitArea(CFX_WideString& wsText);
-  void UpdateCaretRect(int32_t nIndex, FX_BOOL bBefore = TRUE);
-  void GetCaretRect(CFX_RectF& rtCaret,
-                    int32_t nPageIndex,
-                    int32_t nCaret,
-                    FX_BOOL bBefore = TRUE);
-  void UpdateCaretIndex(const CFX_PointF& ptCaret);
-
-  FX_BOOL IsSelect();
-  void DeleteSelect();
-
-  IFDE_TxtEdtBuf* m_pTxtBuf;
-  IFX_TxtBreak* m_pTextBreak;
-  FDE_TXTEDTPARAMS m_Param;
-  CFX_ArrayTemplate<IFDE_TxtEdtPage*> m_PagePtrArray;
-  CFX_ArrayTemplate<CFDE_TxtEdtParag*> m_ParagPtrArray;
-  CFX_ArrayTemplate<FDE_LPTXTEDTSELRANGE> m_SelRangePtrArr;
-  int32_t m_nPageLineCount;
-  int32_t m_nLineCount;
-  int32_t m_nAnchorPos;
-  int32_t m_nLayoutPos;
-  FX_FLOAT m_fCaretPosReserve;
-  int32_t m_nCaret;
-  FX_BOOL m_bBefore;
-  int32_t m_nCaretPage;
-  CFX_RectF m_rtCaret;
-  FX_DWORD m_dwFindFlags;
-  FX_BOOL m_bLock;
-  int32_t m_nLimit;
-  FX_WCHAR m_wcAliasChar;
-  int32_t m_nFirstLineEnd;
-  FX_BOOL m_bAutoLineEnd;
-  FX_WCHAR m_wLineEnd;
-  FDE_TXTEDT_TEXTCHANGE_INFO m_ChangeInfo;
-};
-class CFDE_TxtEdtDoRecord_Insert : public IFDE_TxtEdtDoRecord {
- public:
-  CFDE_TxtEdtDoRecord_Insert(const CFX_ByteStringC& bsDoRecord);
-  CFDE_TxtEdtDoRecord_Insert(CFDE_TxtEdtEngine* pEngine,
-                             int32_t nCaret,
-                             const FX_WCHAR* lpText,
-                             int32_t nLength);
-  virtual void Release();
-  virtual FX_BOOL Undo();
-  virtual FX_BOOL Redo();
-  virtual void Serialize(CFX_ByteString& bsDoRecord) const;
-
- protected:
-  ~CFDE_TxtEdtDoRecord_Insert();
-  void Deserialize(const CFX_ByteStringC& bsDoRecord);
-
- private:
-  CFDE_TxtEdtEngine* m_pEngine;
-  int32_t m_nCaret;
-  CFX_WideString m_wsInsert;
-};
-class CFDE_TxtEdtDoRecord_DeleteRange : public IFDE_TxtEdtDoRecord {
- public:
-  CFDE_TxtEdtDoRecord_DeleteRange(const CFX_ByteStringC& bsDoRecord);
-  CFDE_TxtEdtDoRecord_DeleteRange(CFDE_TxtEdtEngine* pEngine,
-                                  int32_t nIndex,
-                                  int32_t nCaret,
-                                  const CFX_WideString& wsRange,
-                                  FX_BOOL bSel = FALSE);
-  virtual void Release();
-  virtual FX_BOOL Undo();
-  virtual FX_BOOL Redo();
-  virtual void Serialize(CFX_ByteString& bsDoRecord) const;
-
- protected:
-  ~CFDE_TxtEdtDoRecord_DeleteRange();
-  void Deserialize(const CFX_ByteStringC& bsDoRecord);
-
- private:
-  CFDE_TxtEdtEngine* m_pEngine;
-  FX_BOOL m_bSel;
-  int32_t m_nIndex;
-  int32_t m_nCaret;
-  CFX_WideString m_wsRange;
-};
-#ifdef FDE_USEFORMATBLOCK
-class CFDE_TxtEdtDoRecord_FieldInsert : public IFDE_TxtEdtDoRecord {
- public:
-  CFDE_TxtEdtDoRecord_FieldInsert(const CFX_ByteStringC& bsDoRecord);
-  CFDE_TxtEdtDoRecord_FieldInsert(CFDE_TxtEdtEngine* pEngine,
-                                  int32_t nCaret,
-                                  CFDE_TxtEdtField* pField,
-                                  int32_t nIndexInField,
-                                  int32_t nFieldBgn,
-                                  int32_t nOldFieldLength,
-                                  int32_t nNewFieldLength,
-                                  const CFX_WideString& wsIns,
-                                  FX_BOOL bSel = FALSE);
-  virtual void Release();
-  virtual FX_BOOL Undo();
-  virtual FX_BOOL Redo();
-  virtual void Serialize(CFX_ByteString& bsDoRecord) const;
-
- protected:
-  ~CFDE_TxtEdtDoRecord_FieldInsert();
-  void Deserialize(const CFX_ByteStringC& bsDoRecord);
-
- private:
-  CFDE_TxtEdtEngine* m_pEngine;
-  int32_t m_nCaret;
-  CFDE_TxtEdtField* m_pField;
-  int32_t m_nIndexInField;
-  int32_t m_nFieldBgn;
-  int32_t m_nOldFieldLength;
-  int32_t m_nNewFieldLength;
-  CFX_WideString m_wsIns;
-  FX_BOOL m_bSel;
-};
-class CFDE_TxtEdtDoRecord_FieldDelete : public IFDE_TxtEdtDoRecord {
- public:
-  CFDE_TxtEdtDoRecord_FieldDelete(const CFX_ByteStringC& bsDoRecord);
-  CFDE_TxtEdtDoRecord_FieldDelete(CFDE_TxtEdtEngine* pEngine,
-                                  int32_t nCaret,
-                                  CFDE_TxtEdtField* pField,
-                                  int32_t nIndexInField,
-                                  int32_t nFieldBgn,
-                                  int32_t nOldLength,
-                                  int32_t nNewLength,
-                                  const CFX_WideString& wsDel,
-                                  FX_BOOL bSel = FALSE);
-  virtual void Release();
-  virtual FX_BOOL Undo();
-  virtual FX_BOOL Redo();
-  virtual void Serialize(CFX_ByteString& bsDoRecord) const;
-
- protected:
-  ~CFDE_TxtEdtDoRecord_FieldDelete();
-  void Deserialize(const CFX_ByteStringC& bsDoRecord);
-
- private:
-  CFDE_TxtEdtEngine* m_pEngine;
-  int32_t m_nCaret;
-  CFDE_TxtEdtField* m_pField;
-  int32_t m_nIndexInField;
-  int32_t m_nFieldBgn;
-  int32_t m_nOldFieldLength;
-  int32_t m_nNewFieldLength;
-  CFX_WideString m_wsDel;
-  FX_BOOL m_bSel;
-};
-class CFDE_TxtEdtDoRecord_FieldReplace : public IFDE_TxtEdtDoRecord {
- public:
-  CFDE_TxtEdtDoRecord_FieldReplace(const CFX_ByteStringC& bsDoRecord);
-  CFDE_TxtEdtDoRecord_FieldReplace(CFDE_TxtEdtEngine* pEngine,
-                                   int32_t nCaret,
-                                   int32_t nNewCaret,
-                                   CFDE_TxtEdtField* pField,
-                                   int32_t nIndexInField,
-                                   int32_t nFieldBgn,
-                                   int32_t nFieldNewLength,
-                                   const CFX_WideString& wsDel,
-                                   const CFX_WideString& wsIns,
-                                   FX_BOOL bSel);
-  virtual void Release();
-  virtual FX_BOOL Undo();
-  virtual FX_BOOL Redo();
-  virtual void Serialize(CFX_ByteString& bsDoRecord) const;
-
- protected:
-  ~CFDE_TxtEdtDoRecord_FieldReplace();
-  void Deserialize(const CFX_ByteStringC& bsDoRecord);
-
- private:
-  CFDE_TxtEdtEngine* m_pEngine;
-  int32_t m_nCaret;
-  int32_t m_nNewCaret;
-  CFDE_TxtEdtField* m_pField;
-  int32_t m_nIndexInField;
-  int32_t m_nFieldBgn;
-  int32_t m_nFieldNewLength;
-  CFX_WideString m_wsDel;
-  CFX_WideString m_wsIns;
-  FX_BOOL m_bSel;
-};
-#endif
-#endif
+// 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
+
+#ifndef _FDE_TXTEDTENGINE_H
+#define _FDE_TXTEDTENGINE_H
+class CFDE_TxtEdtBuf;
+class CFDE_TxtEdtPage;
+class IFX_TxtBreak;
+class CFDE_TxtEdtParag;
+class CFDE_TxtEdtKMPMatch;
+class IFDE_TxtEdtFormator;
+class CFDE_TxtEdtField;
+class CFDE_TxtEdtBlock;
+class IFX_CharIter;
+class CFDE_TxtEdtEngine;
+class CFDE_TxtEdtDoRecord_Insert;
+class CFDE_TxtEdtDoRecord_DeleteRange;
+#ifdef FDE_USEFORMATBLOCK
+class CFDE_TxtEdtDoRecord_FormatInsert;
+class CFDE_TxtEdtDoRecord_FormatDelete;
+class CFDE_TxtEdtDoRecord_FormatReplace;
+class CFDE_TxtEdtDoRecord_FieldInsert;
+class CFDE_TxtEdtDoRecord_FieldDelete;
+class CFDE_TxtEdtDoRecord_FieldReplace;
+#endif
+class IFDE_TxtEdtDoRecord {
+ public:
+  static IFDE_TxtEdtDoRecord* Create(const CFX_ByteStringC& bsDoRecord);
+  virtual ~IFDE_TxtEdtDoRecord() {}
+  virtual void Release() = 0;
+  virtual FX_BOOL Redo() = 0;
+  virtual FX_BOOL Undo() = 0;
+  virtual void Serialize(CFX_ByteString& bsDoRecord) const = 0;
+};
+class CFDE_TxtEdtEngine : public IFDE_TxtEdtEngine {
+  friend class CFDE_TxtEdtDoRecord_Insert;
+  friend class CFDE_TxtEdtDoRecord_DeleteRange;
+  friend class CFDE_TxtEdtPage;
+#ifdef FDE_USEFORMATBLOCK
+  friend class CFDE_TxtEdtDoRecord_FormatInsert;
+  friend class CFDE_TxtEdtDoRecord_FormatDelete;
+  friend class CFDE_TxtEdtDoRecord_FormatReplace;
+  friend class CFDE_TxtEdtBlock;
+#endif
+  struct _FDE_TXTEDTSELRANGE {
+    int32_t nStart;
+    int32_t nCount;
+  };
+  typedef _FDE_TXTEDTSELRANGE FDE_TXTEDTSELRANGE;
+  typedef _FDE_TXTEDTSELRANGE* FDE_LPTXTEDTSELRANGE;
+  struct _FDE_TXTEDTPARAGPOS {
+    int32_t nParagIndex;
+    int32_t nCharIndex;
+  };
+  typedef _FDE_TXTEDTPARAGPOS FDE_TXTEDTPARAGPOS;
+  typedef _FDE_TXTEDTPARAGPOS* FDE_LPTXTEDTPARAGPOS;
+
+ public:
+  CFDE_TxtEdtEngine();
+  virtual void Release();
+
+  virtual void SetEditParams(const FDE_TXTEDTPARAMS& params);
+  virtual const FDE_TXTEDTPARAMS* GetEditParams() const;
+
+  virtual int32_t CountPages() const;
+  virtual IFDE_TxtEdtPage* GetPage(int32_t nIndex);
+
+  virtual FX_BOOL SetBufChunkSize(int32_t nChunkSize);
+  virtual void SetTextByStream(IFX_Stream* pStream);
+  virtual void SetText(const CFX_WideString& wsText);
+  virtual int32_t GetTextLength() const;
+  virtual void GetText(CFX_WideString& wsText,
+                       int32_t nStart,
+                       int32_t nCount = -1);
+  virtual void ClearText();
+
+  virtual int32_t GetCaretRect(CFX_RectF& rtCaret) const;
+  virtual int32_t GetCaretPos() const;
+  virtual int32_t SetCaretPos(int32_t nIndex, FX_BOOL bBefore);
+  virtual int32_t MoveCaretPos(FDE_TXTEDTMOVECARET eMoveCaret,
+                               FX_BOOL bShift = FALSE,
+                               FX_BOOL bCtrl = FALSE);
+  virtual void Lock();
+  virtual void Unlock();
+  virtual FX_BOOL IsLocked() const;
+
+  virtual int32_t Insert(int32_t nStart,
+                         const FX_WCHAR* lpText,
+                         int32_t nLength);
+  virtual int32_t Delete(int32_t nStart, FX_BOOL bBackspace = FALSE);
+  virtual int32_t DeleteRange(int32_t nStart, int32_t nCount = -1);
+  virtual int32_t Replace(int32_t nStart,
+                          int32_t nLength,
+                          const CFX_WideString& wsReplace);
+
+  virtual void SetLimit(int32_t nLimit);
+  virtual void SetAliasChar(FX_WCHAR wcAlias);
+  virtual void SetFormatBlock(int32_t nIndex,
+                              const CFX_WideString& wsBlockFormat);
+  virtual int32_t CountEditBlocks() const;
+  virtual void GetEditBlockText(int32_t nIndex,
+                                CFX_WideString& wsBlockText) const;
+  virtual int32_t CountEditFields(int32_t nBlockIndex) const;
+  virtual void GetEditFieldText(int32_t nBlockIndex,
+                                int32_t nFieldIndex,
+                                CFX_WideString& wsFieldText) const;
+  virtual void StartEdit();
+  virtual void EndEdit();
+
+  void RemoveSelRange(int32_t nStart, int32_t nCount = -1);
+
+  virtual void AddSelRange(int32_t nStart, int32_t nCount = -1);
+  virtual int32_t CountSelRanges();
+  virtual int32_t GetSelRange(int32_t nIndex, int32_t& nStart);
+  virtual void ClearSelection();
+
+  virtual FX_BOOL Redo(const CFX_ByteStringC& bsRedo);
+  virtual FX_BOOL Undo(const CFX_ByteStringC& bsUndo);
+
+  virtual int32_t StartLayout();
+  virtual int32_t DoLayout(IFX_Pause* pPause);
+  virtual void EndLayout();
+
+  virtual FX_BOOL Optimize(IFX_Pause* pPause = NULL);
+  virtual int32_t CountParags() const;
+  virtual IFDE_TxtEdtParag* GetParag(int32_t nParagIndex) const;
+  virtual IFX_CharIter* CreateCharIter();
+  IFDE_TxtEdtBuf* GetTextBuf() const;
+  int32_t GetTextBufLength() const;
+  IFX_TxtBreak* GetTextBreak() const;
+  int32_t GetLineCount() const;
+  int32_t GetPageLineCount() const;
+
+  int32_t Line2Parag(int32_t nStartParag,
+                     int32_t nStartLineofParag,
+                     int32_t nLineIndex,
+                     int32_t& nStartLine) const;
+  FX_WCHAR GetAliasChar() const { return m_wcAliasChar; }
+
+ protected:
+  virtual ~CFDE_TxtEdtEngine();
+
+ private:
+  void Inner_Insert(int32_t nStart, const FX_WCHAR* lpText, int32_t nLength);
+#ifdef FDE_USEFORMATBLOCK
+  void RawInsert(int32_t nStart, const FX_WCHAR* lpText, int32_t nLength);
+#endif
+  void GetPreDeleteText(CFX_WideString& wsText,
+                        int32_t nIndex,
+                        int32_t nLength);
+  void GetPreInsertText(CFX_WideString& wsText,
+                        int32_t nIndex,
+                        const FX_WCHAR* lpText,
+                        int32_t nLength);
+  void GetPreReplaceText(CFX_WideString& wsText,
+                         int32_t nIndex,
+                         int32_t nOriginLength,
+                         const FX_WCHAR* lpText,
+                         int32_t nLength);
+
+  void Inner_DeleteRange(int32_t nStart, int32_t nCount = -1);
+  void DeleteRange_DoRecord(int32_t nStart,
+                            int32_t nCount,
+                            FX_BOOL bSel = FALSE);
+  void ResetEngine();
+  void RebuildParagraphs();
+  void RemoveAllParags();
+  void RemoveAllPages();
+  void UpdateParags();
+  void UpdatePages();
+  void UpdateTxtBreak();
+
+  FX_BOOL ReplaceParagEnd(FX_WCHAR*& lpText,
+                          int32_t& nLength,
+                          FX_BOOL bPreIsCR = FALSE);
+  void RecoverParagEnd(CFX_WideString& wsText);
+  int32_t MovePage2Char(int32_t nIndex);
+  void TextPos2ParagPos(int32_t nIndex, FDE_TXTEDTPARAGPOS& ParagPos) const;
+  int32_t MoveForward(FX_BOOL& bBefore);
+  int32_t MoveBackward(FX_BOOL& bBefore);
+  FX_BOOL MoveUp(CFX_PointF& ptCaret);
+  FX_BOOL MoveDown(CFX_PointF& ptCaret);
+  FX_BOOL MoveLineStart();
+  FX_BOOL MoveLineEnd();
+  FX_BOOL MoveParagStart();
+  FX_BOOL MoveParagEnd();
+  FX_BOOL MoveHome();
+  FX_BOOL MoveEnd();
+  FX_BOOL IsFitArea(CFX_WideString& wsText);
+  void UpdateCaretRect(int32_t nIndex, FX_BOOL bBefore = TRUE);
+  void GetCaretRect(CFX_RectF& rtCaret,
+                    int32_t nPageIndex,
+                    int32_t nCaret,
+                    FX_BOOL bBefore = TRUE);
+  void UpdateCaretIndex(const CFX_PointF& ptCaret);
+
+  FX_BOOL IsSelect();
+  void DeleteSelect();
+
+  IFDE_TxtEdtBuf* m_pTxtBuf;
+  IFX_TxtBreak* m_pTextBreak;
+  FDE_TXTEDTPARAMS m_Param;
+  CFX_ArrayTemplate<IFDE_TxtEdtPage*> m_PagePtrArray;
+  CFX_ArrayTemplate<CFDE_TxtEdtParag*> m_ParagPtrArray;
+  CFX_ArrayTemplate<FDE_LPTXTEDTSELRANGE> m_SelRangePtrArr;
+  int32_t m_nPageLineCount;
+  int32_t m_nLineCount;
+  int32_t m_nAnchorPos;
+  int32_t m_nLayoutPos;
+  FX_FLOAT m_fCaretPosReserve;
+  int32_t m_nCaret;
+  FX_BOOL m_bBefore;
+  int32_t m_nCaretPage;
+  CFX_RectF m_rtCaret;
+  FX_DWORD m_dwFindFlags;
+  FX_BOOL m_bLock;
+  int32_t m_nLimit;
+  FX_WCHAR m_wcAliasChar;
+  int32_t m_nFirstLineEnd;
+  FX_BOOL m_bAutoLineEnd;
+  FX_WCHAR m_wLineEnd;
+  FDE_TXTEDT_TEXTCHANGE_INFO m_ChangeInfo;
+};
+class CFDE_TxtEdtDoRecord_Insert : public IFDE_TxtEdtDoRecord {
+ public:
+  CFDE_TxtEdtDoRecord_Insert(const CFX_ByteStringC& bsDoRecord);
+  CFDE_TxtEdtDoRecord_Insert(CFDE_TxtEdtEngine* pEngine,
+                             int32_t nCaret,
+                             const FX_WCHAR* lpText,
+                             int32_t nLength);
+  virtual void Release();
+  virtual FX_BOOL Undo();
+  virtual FX_BOOL Redo();
+  virtual void Serialize(CFX_ByteString& bsDoRecord) const;
+
+ protected:
+  ~CFDE_TxtEdtDoRecord_Insert();
+  void Deserialize(const CFX_ByteStringC& bsDoRecord);
+
+ private:
+  CFDE_TxtEdtEngine* m_pEngine;
+  int32_t m_nCaret;
+  CFX_WideString m_wsInsert;
+};
+class CFDE_TxtEdtDoRecord_DeleteRange : public IFDE_TxtEdtDoRecord {
+ public:
+  CFDE_TxtEdtDoRecord_DeleteRange(const CFX_ByteStringC& bsDoRecord);
+  CFDE_TxtEdtDoRecord_DeleteRange(CFDE_TxtEdtEngine* pEngine,
+                                  int32_t nIndex,
+                                  int32_t nCaret,
+                                  const CFX_WideString& wsRange,
+                                  FX_BOOL bSel = FALSE);
+  virtual void Release();
+  virtual FX_BOOL Undo();
+  virtual FX_BOOL Redo();
+  virtual void Serialize(CFX_ByteString& bsDoRecord) const;
+
+ protected:
+  ~CFDE_TxtEdtDoRecord_DeleteRange();
+  void Deserialize(const CFX_ByteStringC& bsDoRecord);
+
+ private:
+  CFDE_TxtEdtEngine* m_pEngine;
+  FX_BOOL m_bSel;
+  int32_t m_nIndex;
+  int32_t m_nCaret;
+  CFX_WideString m_wsRange;
+};
+#ifdef FDE_USEFORMATBLOCK
+class CFDE_TxtEdtDoRecord_FieldInsert : public IFDE_TxtEdtDoRecord {
+ public:
+  CFDE_TxtEdtDoRecord_FieldInsert(const CFX_ByteStringC& bsDoRecord);
+  CFDE_TxtEdtDoRecord_FieldInsert(CFDE_TxtEdtEngine* pEngine,
+                                  int32_t nCaret,
+                                  CFDE_TxtEdtField* pField,
+                                  int32_t nIndexInField,
+                                  int32_t nFieldBgn,
+                                  int32_t nOldFieldLength,
+                                  int32_t nNewFieldLength,
+                                  const CFX_WideString& wsIns,
+                                  FX_BOOL bSel = FALSE);
+  virtual void Release();
+  virtual FX_BOOL Undo();
+  virtual FX_BOOL Redo();
+  virtual void Serialize(CFX_ByteString& bsDoRecord) const;
+
+ protected:
+  ~CFDE_TxtEdtDoRecord_FieldInsert();
+  void Deserialize(const CFX_ByteStringC& bsDoRecord);
+
+ private:
+  CFDE_TxtEdtEngine* m_pEngine;
+  int32_t m_nCaret;
+  CFDE_TxtEdtField* m_pField;
+  int32_t m_nIndexInField;
+  int32_t m_nFieldBgn;
+  int32_t m_nOldFieldLength;
+  int32_t m_nNewFieldLength;
+  CFX_WideString m_wsIns;
+  FX_BOOL m_bSel;
+};
+class CFDE_TxtEdtDoRecord_FieldDelete : public IFDE_TxtEdtDoRecord {
+ public:
+  CFDE_TxtEdtDoRecord_FieldDelete(const CFX_ByteStringC& bsDoRecord);
+  CFDE_TxtEdtDoRecord_FieldDelete(CFDE_TxtEdtEngine* pEngine,
+                                  int32_t nCaret,
+                                  CFDE_TxtEdtField* pField,
+                                  int32_t nIndexInField,
+                                  int32_t nFieldBgn,
+                                  int32_t nOldLength,
+                                  int32_t nNewLength,
+                                  const CFX_WideString& wsDel,
+                                  FX_BOOL bSel = FALSE);
+  virtual void Release();
+  virtual FX_BOOL Undo();
+  virtual FX_BOOL Redo();
+  virtual void Serialize(CFX_ByteString& bsDoRecord) const;
+
+ protected:
+  ~CFDE_TxtEdtDoRecord_FieldDelete();
+  void Deserialize(const CFX_ByteStringC& bsDoRecord);
+
+ private:
+  CFDE_TxtEdtEngine* m_pEngine;
+  int32_t m_nCaret;
+  CFDE_TxtEdtField* m_pField;
+  int32_t m_nIndexInField;
+  int32_t m_nFieldBgn;
+  int32_t m_nOldFieldLength;
+  int32_t m_nNewFieldLength;
+  CFX_WideString m_wsDel;
+  FX_BOOL m_bSel;
+};
+class CFDE_TxtEdtDoRecord_FieldReplace : public IFDE_TxtEdtDoRecord {
+ public:
+  CFDE_TxtEdtDoRecord_FieldReplace(const CFX_ByteStringC& bsDoRecord);
+  CFDE_TxtEdtDoRecord_FieldReplace(CFDE_TxtEdtEngine* pEngine,
+                                   int32_t nCaret,
+                                   int32_t nNewCaret,
+                                   CFDE_TxtEdtField* pField,
+                                   int32_t nIndexInField,
+                                   int32_t nFieldBgn,
+                                   int32_t nFieldNewLength,
+                                   const CFX_WideString& wsDel,
+                                   const CFX_WideString& wsIns,
+                                   FX_BOOL bSel);
+  virtual void Release();
+  virtual FX_BOOL Undo();
+  virtual FX_BOOL Redo();
+  virtual void Serialize(CFX_ByteString& bsDoRecord) const;
+
+ protected:
+  ~CFDE_TxtEdtDoRecord_FieldReplace();
+  void Deserialize(const CFX_ByteStringC& bsDoRecord);
+
+ private:
+  CFDE_TxtEdtEngine* m_pEngine;
+  int32_t m_nCaret;
+  int32_t m_nNewCaret;
+  CFDE_TxtEdtField* m_pField;
+  int32_t m_nIndexInField;
+  int32_t m_nFieldBgn;
+  int32_t m_nFieldNewLength;
+  CFX_WideString m_wsDel;
+  CFX_WideString m_wsIns;
+  FX_BOOL m_bSel;
+};
+#endif
+#endif