Collapse xfa/src/fee directories

xfa/src/fee/src/fee/fde_txtedtparag.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/src/fee/src/fee/fde_txtedtparag.h"
-
-#include "xfa/src/fee/include/fx_wordbreak.h"
-#include "xfa/src/fee/include/ifde_txtedtbuf.h"
-#include "xfa/src/fee/include/ifde_txtedtengine.h"
-#include "xfa/src/fee/src/fee/fde_txtedtbuf.h"
-#include "xfa/src/fee/src/fee/fde_txtedtengine.h"
-#include "xfa/src/fgas/include/fx_tbk.h"
-
-CFDE_TxtEdtParag::CFDE_TxtEdtParag(CFDE_TxtEdtEngine* pEngine)
-    : m_nCharStart(0),
-      m_nCharCount(0),
-      m_nLineCount(0),
-      m_lpData(NULL),
-      m_pEngine(pEngine) {
-  FXSYS_assert(m_pEngine);
-}
-CFDE_TxtEdtParag::~CFDE_TxtEdtParag() {
-  if (m_lpData != NULL) {
-    FX_Free(m_lpData);
-  }
-}
-void CFDE_TxtEdtParag::LoadParag() {
-  if (m_lpData != NULL) {
-    ((int32_t*)m_lpData)[0]++;
-    return;
-  }
-  IFX_TxtBreak* pTxtBreak = m_pEngine->GetTextBreak();
-  IFDE_TxtEdtBuf* pTxtBuf = m_pEngine->GetTextBuf();
-  const FDE_TXTEDTPARAMS* pParam = m_pEngine->GetEditParams();
-  FX_WCHAR wcAlias = 0;
-  if (pParam->dwMode & FDE_TEXTEDITMODE_Password) {
-    wcAlias = m_pEngine->GetAliasChar();
-  }
-  IFX_CharIter* pIter =
-      new CFDE_TxtEdtBufIter((CFDE_TxtEdtBuf*)pTxtBuf, wcAlias);
-  pIter->SetAt(m_nCharStart);
-  int32_t nEndIndex = m_nCharStart + m_nCharCount;
-  CFX_ArrayTemplate<int32_t> LineBaseArr;
-  FX_BOOL bReload = FALSE;
-  FX_DWORD dwBreakStatus = FX_TXTBREAK_None;
-  do {
-    if (bReload) {
-      dwBreakStatus = pTxtBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
-    } else {
-      FX_WCHAR wAppend = pIter->GetChar();
-      dwBreakStatus = pTxtBreak->AppendChar(wAppend);
-    }
-    if (pIter->GetAt() + 1 == nEndIndex &&
-        dwBreakStatus < FX_TXTBREAK_LineBreak) {
-      dwBreakStatus = pTxtBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
-    }
-    if (dwBreakStatus > FX_TXTBREAK_PieceBreak) {
-      int32_t nCount = pTxtBreak->CountBreakPieces();
-      int32_t nTotal = 0;
-      for (int32_t j = 0; j < nCount; j++) {
-        const CFX_TxtPiece* Piece = pTxtBreak->GetBreakPiece(j);
-        nTotal += Piece->GetLength();
-      }
-      LineBaseArr.Add(nTotal);
-      pTxtBreak->ClearBreakPieces();
-    }
-    if ((pIter->GetAt() + 1 == nEndIndex) &&
-        (dwBreakStatus == FX_TXTBREAK_LineBreak)) {
-      bReload = TRUE;
-      pIter->Next(TRUE);
-    }
-  } while (pIter->Next(FALSE) && (pIter->GetAt() < nEndIndex));
-  pIter->Release();
-  pTxtBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
-  pTxtBreak->ClearBreakPieces();
-  int32_t nLineCount = LineBaseArr.GetSize();
-  m_nLineCount = nLineCount;
-  if (m_lpData == NULL) {
-    m_lpData = FX_Alloc(int32_t, nLineCount + 1);
-  } else {
-    m_lpData = FX_Realloc(int32_t, m_lpData, (nLineCount + 1));
-  }
-  int32_t* pIntArr = (int32_t*)m_lpData;
-  pIntArr[0] = 1;
-  m_nLineCount = nLineCount;
-  pIntArr++;
-  for (int32_t j = 0; j < nLineCount; j++, pIntArr++) {
-    *pIntArr = LineBaseArr[j];
-  }
-  LineBaseArr.RemoveAll();
-}
-void CFDE_TxtEdtParag::UnloadParag() {
-  FXSYS_assert(m_lpData != NULL);
-  ((int32_t*)m_lpData)[0]--;
-  FXSYS_assert(((int32_t*)m_lpData)[0] >= 0);
-  if (((int32_t*)m_lpData)[0] == 0) {
-    FX_Free(m_lpData);
-    m_lpData = NULL;
-  }
-}
-void CFDE_TxtEdtParag::CalcLines() {
-  IFX_TxtBreak* pTxtBreak = m_pEngine->GetTextBreak();
-  IFDE_TxtEdtBuf* pTxtBuf = m_pEngine->GetTextBuf();
-  IFX_CharIter* pIter = new CFDE_TxtEdtBufIter((CFDE_TxtEdtBuf*)pTxtBuf);
-  int32_t nCount = 0;
-  FX_DWORD dwBreakStatus = FX_TXTBREAK_None;
-  int32_t nEndIndex = m_nCharStart + m_nCharCount;
-  pIter->SetAt(m_nCharStart);
-  FX_BOOL bReload = FALSE;
-  do {
-    if (bReload) {
-      dwBreakStatus = pTxtBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
-    } else {
-      FX_WCHAR wAppend = pIter->GetChar();
-      dwBreakStatus = pTxtBreak->AppendChar(wAppend);
-    }
-    if (pIter->GetAt() + 1 == nEndIndex &&
-        dwBreakStatus < FX_TXTBREAK_LineBreak) {
-      dwBreakStatus = pTxtBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
-    }
-    if (dwBreakStatus > FX_TXTBREAK_PieceBreak) {
-      nCount++;
-      pTxtBreak->ClearBreakPieces();
-    }
-    if ((pIter->GetAt() + 1 == nEndIndex) &&
-        (dwBreakStatus == FX_TXTBREAK_LineBreak)) {
-      bReload = TRUE;
-      pIter->Next(TRUE);
-    }
-  } while (pIter->Next(FALSE) && (pIter->GetAt() < nEndIndex));
-  pIter->Release();
-  pTxtBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
-  pTxtBreak->ClearBreakPieces();
-  m_nLineCount = nCount;
-}
-void CFDE_TxtEdtParag::GetLineRange(int32_t nLineIndex,
-                                    int32_t& nStart,
-                                    int32_t& nCount) const {
-  int32_t* pLineBaseArr = (int32_t*)m_lpData;
-  FXSYS_assert(nLineIndex < m_nLineCount);
-  nStart = m_nCharStart;
-  pLineBaseArr++;
-  for (int32_t i = 0; i < nLineIndex; i++) {
-    nStart += *pLineBaseArr;
-    pLineBaseArr++;
-  }
-  nCount = *pLineBaseArr;
-}