Cleanup various IFX_ text interfaces.

xfa/fgas/layout/fgas_textbreak.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 "xfa/fgas/layout/fgas_textbreak.h"
 
 #include <algorithm>
 
+#include "core/fxcrt/include/fx_arabic.h"
 #include "core/fxcrt/include/fx_arb.h"
 #include "core/fxcrt/include/fx_memory.h"
 #include "xfa/fgas/layout/fgas_linebreak.h"
 #include "xfa/fgas/layout/fgas_unicode.h"
 
-namespace {
-
-class CFX_TxtLine {
- public:
-  CFX_TxtLine(int32_t iBlockSize)
-      : m_iStart(0), m_iWidth(0), m_iArabicChars(0) {
-    m_pLineChars = new CFX_TxtCharArray;
-    m_pLinePieces = new CFX_TxtPieceArray(16);
-  }
-  ~CFX_TxtLine() {
-    RemoveAll();
-    delete m_pLineChars;
-    delete m_pLinePieces;
-  }
-  int32_t CountChars() const { return m_pLineChars->GetSize(); }
-  CFX_TxtChar* GetCharPtr(int32_t index) const {
-    FXSYS_assert(index > -1 && index < m_pLineChars->GetSize());
-    return m_pLineChars->GetDataPtr(index);
-  }
-  int32_t CountPieces() const { return m_pLinePieces->GetSize(); }
-  CFX_TxtPiece* GetPiecePtr(int32_t index) const {
-    FXSYS_assert(index > -1 && index < m_pLinePieces->GetSize());
-    return m_pLinePieces->GetPtrAt(index);
-  }
-  void GetString(CFX_WideString& wsStr) const {
-    int32_t iCount = m_pLineChars->GetSize();
-    FX_WCHAR* pBuf = wsStr.GetBuffer(iCount);
-    CFX_Char* pChar;
-    for (int32_t i = 0; i < iCount; i++) {
-      pChar = m_pLineChars->GetDataPtr(i);
-      *pBuf++ = (FX_WCHAR)pChar->m_wCharCode;
-    }
-    wsStr.ReleaseBuffer(iCount);
-  }
-  void RemoveAll(FX_BOOL bLeaveMemory = FALSE) {
-    m_pLineChars->RemoveAll();
-    m_pLinePieces->RemoveAll(bLeaveMemory);
-    m_iWidth = 0;
-    m_iArabicChars = 0;
-  }
-  CFX_TxtCharArray* m_pLineChars;
-  CFX_TxtPieceArray* m_pLinePieces;
-  int32_t m_iStart;
-  int32_t m_iWidth;
-  int32_t m_iArabicChars;
-};
-
-class CFX_TxtBreak : public IFX_TxtBreak {
- public:
-  CFX_TxtBreak(uint32_t dwPolicies);
-  ~CFX_TxtBreak();
-  virtual void Release() { delete this; }
-  virtual void SetLineWidth(FX_FLOAT fLineWidth);
-  virtual void SetLinePos(FX_FLOAT fLinePos);
-  virtual uint32_t GetLayoutStyles() const { return m_dwLayoutStyles; }
-  virtual void SetLayoutStyles(uint32_t dwLayoutStyles);
-  virtual void SetFont(IFX_Font* pFont);
-  virtual void SetFontSize(FX_FLOAT fFontSize);
-  virtual void SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant);
-  virtual void SetDefaultChar(FX_WCHAR wch);
-  virtual void SetParagraphBreakChar(FX_WCHAR wch);
-  virtual void SetLineBreakTolerance(FX_FLOAT fTolerance);
-  virtual void SetHorizontalScale(int32_t iScale);
-  virtual void SetVerticalScale(int32_t iScale);
-  virtual void SetCharRotation(int32_t iCharRotation);
-  virtual void SetCharSpace(FX_FLOAT fCharSpace);
-  virtual void SetAlignment(int32_t iAlignment);
-  virtual uint32_t GetContextCharStyles() const;
-  virtual void SetContextCharStyles(uint32_t dwCharStyles);
-  virtual void SetCombWidth(FX_FLOAT fCombWidth);
-  virtual void SetUserData(void* pUserData);
-  virtual uint32_t AppendChar(FX_WCHAR wch);
-  virtual uint32_t EndBreak(uint32_t dwStatus = FX_TXTBREAK_PieceBreak);
-  virtual int32_t CountBreakChars() const;
-  virtual int32_t CountBreakPieces() const;
-  virtual const CFX_TxtPiece* GetBreakPiece(int32_t index) const;
-  virtual void ClearBreakPieces();
-  virtual void Reset();
-  virtual int32_t GetDisplayPos(
-      const FX_TXTRUN* pTxtRun,
-      FXTEXT_CHARPOS* pCharPos,
-      FX_BOOL bCharCode = FALSE,
-      CFX_WideString* pWSForms = NULL,
-      FX_AdjustCharDisplayPos pAdjustPos = NULL) const;
-  virtual int32_t GetCharRects(const FX_TXTRUN* pTxtRun,
-                               CFX_RectFArray& rtArray,
-                               FX_BOOL bCharBBox = FALSE) const;
-  void AppendChar_PageLoad(CFX_Char* pCurChar, uint32_t dwProps);
-  uint32_t AppendChar_Combination(CFX_Char* pCurChar, int32_t iRotation);
-  uint32_t AppendChar_Tab(CFX_Char* pCurChar, int32_t iRotation);
-  uint32_t AppendChar_Control(CFX_Char* pCurChar, int32_t iRotation);
-  uint32_t AppendChar_Arabic(CFX_Char* pCurChar, int32_t iRotation);
-  uint32_t AppendChar_Others(CFX_Char* pCurChar, int32_t iRotation);
-
- protected:
-  uint32_t m_dwPolicies;
-  FX_BOOL m_bPagination;
-  IFX_ArabicChar* m_pArabicChar;
-  int32_t m_iLineWidth;
-  uint32_t m_dwLayoutStyles;
-  FX_BOOL m_bVertical;
-  FX_BOOL m_bArabicContext;
-  FX_BOOL m_bArabicShapes;
-  FX_BOOL m_bRTL;
-  FX_BOOL m_bSingleLine;
-  FX_BOOL m_bCombText;
-  int32_t m_iArabicContext;
-  int32_t m_iCurArabicContext;
-  IFX_Font* m_pFont;
-  int32_t m_iFontSize;
-  FX_BOOL m_bEquidistant;
-  int32_t m_iTabWidth;
-  FX_WCHAR m_wDefChar;
-  FX_WCHAR m_wParagBreakChar;
-  int32_t m_iDefChar;
-  int32_t m_iLineRotation;
-  int32_t m_iCharRotation;
-  int32_t m_iRotation;
-  int32_t m_iAlignment;
-  uint32_t m_dwContextCharStyles;
-  int32_t m_iCombWidth;
-  void* m_pUserData;
-  uint32_t m_dwCharType;
-  FX_BOOL m_bCurRTL;
-  int32_t m_iCurAlignment;
-  FX_BOOL m_bArabicNumber;
-  FX_BOOL m_bArabicComma;
-  CFX_TxtLine* m_pTxtLine1;
-  CFX_TxtLine* m_pTxtLine2;
-  CFX_TxtLine* m_pCurLine;
-  int32_t m_iReady;
-  int32_t m_iTolerance;
-  int32_t m_iHorScale;
-  int32_t m_iVerScale;
-  int32_t m_iCharSpace;
-  void SetBreakStatus();
-  int32_t GetLineRotation(uint32_t dwStyles) const;
-  CFX_TxtChar* GetLastChar(int32_t index, FX_BOOL bOmitChar = TRUE) const;
-  CFX_TxtLine* GetTxtLine(FX_BOOL bReady) const;
-  CFX_TxtPieceArray* GetTxtPieces(FX_BOOL bReady) const;
-  uint32_t GetUnifiedCharType(uint32_t dwType) const;
-  void ResetArabicContext();
-  void ResetContextCharStyles();
-  void EndBreak_UpdateArabicShapes();
-  FX_BOOL EndBreak_SplitLine(CFX_TxtLine* pNextLine,
-                             FX_BOOL bAllChars,
-                             uint32_t dwStatus);
-  void EndBreak_BidiLine(CFX_TPOArray& tpos, uint32_t dwStatus);
-  void EndBreak_Alignment(CFX_TPOArray& tpos,
-                          FX_BOOL bAllChars,
-                          uint32_t dwStatus);
-  int32_t GetBreakPos(CFX_TxtCharArray& ca,
-                      int32_t& iEndPos,
-                      FX_BOOL bAllChars = FALSE,
-                      FX_BOOL bOnlyBrk = FALSE);
-  void SplitTextLine(CFX_TxtLine* pCurLine,
-                     CFX_TxtLine* pNextLine,
-                     FX_BOOL bAllChars = FALSE);
-};
-
-}  // namespace
-
-extern const FX_LINEBREAKTYPE gs_FX_LineBreak_PairTable[64][32];
-IFX_TxtBreak* IFX_TxtBreak::Create(uint32_t dwPolicies) {
-  return new CFX_TxtBreak(dwPolicies);
-}
 CFX_TxtBreak::CFX_TxtBreak(uint32_t dwPolicies)
     : m_dwPolicies(dwPolicies),
       m_pArabicChar(NULL),
       m_iLineWidth(2000000),
       m_dwLayoutStyles(0),
       m_bVertical(FALSE),
       m_bArabicContext(FALSE),
       m_bArabicShapes(FALSE),
       m_bRTL(FALSE),
       m_bSingleLine(FALSE),
@@ skipping 17 matching lines @@
       m_dwCharType(0),
       m_bArabicNumber(FALSE),
       m_bArabicComma(FALSE),
       m_pCurLine(NULL),
       m_iReady(0),
       m_iTolerance(0),
       m_iHorScale(100),
       m_iVerScale(100),
       m_iCharSpace(0) {
   m_bPagination = (m_dwPolicies & FX_TXTBREAKPOLICY_Pagination) != 0;
-  m_pArabicChar = IFX_ArabicChar::Create();
+  m_pArabicChar = new CFX_ArabicChar;
   if (m_bPagination) {
     m_pTxtLine1 = new CFX_TxtLine(sizeof(CFX_Char));
     m_pTxtLine2 = new CFX_TxtLine(sizeof(CFX_Char));
   } else {
     m_pTxtLine1 = new CFX_TxtLine(sizeof(CFX_TxtChar));
     m_pTxtLine2 = new CFX_TxtLine(sizeof(CFX_TxtChar));
   }
   m_pCurLine = m_pTxtLine1;
   ResetArabicContext();
 }
@@ skipping 1585 matching lines @@
         rtBBoxF.height = fHeight;
         rtBBoxF.top = std::max(rtBBoxF.top, 0.0f);
       }
       rtArray.SetAt(i, rtBBoxF);
       continue;
     }
     rtArray.SetAt(i, rect);
   }
   return iLength;
 }