worddocument.java

Office格式转换代码

                               BTreeSet characterTable, BTreeSet text)
  {
    StringBuffer blockBuffer = _bodyBuffer;
    byte[] papx = currentNode.getPapx();
    int istd = Utils.convertBytesToShort(papx, 0);
    StyleDescription std = _styleSheet.getStyleDescription(istd);
    PAP pap = (PAP)StyleSheet.uncompressProperty(papx, std.getPAP(), _styleSheet);

    //handle table cells
    if(pap._fInTable > 0)
    {
      if(pap._fTtp == 0)
      {
        if(_cellBuffer == null)
        {
          _cellBuffer = new StringBuffer();
        }
        blockBuffer = _cellBuffer;
      }
      else
      {
        if(_table == null)
        {
          _table = new ArrayList();
        }
        TAP tap = (TAP)StyleSheet.uncompressProperty(papx, new TAP(), _styleSheet);
        TableRow nextRow = new TableRow(_cells, tap);
        _table.add(nextRow);
        _cells = null;
        return;
      }
    }
    else
    {
      //just prints out any table that is stored in _table
      printTable();
    }

    if(pap._ilfo > 0)
    {
      LVL lvl = _listTables.getLevel(pap._ilfo, pap._ilvl);
      addListParagraphContent(lvl, blockBuffer, pap, currentNode, start, end, std);
    }
    else
    {
      addParagraphContent(blockBuffer, pap, currentNode, start, end, std);
    }

  }

  private void addListParagraphContent(LVL lvl, StringBuffer blockBuffer, PAP pap,
                                       PapxNode currentNode, int start, int end,
                                       StyleDescription std)
  {
    pap = (PAP)StyleSheet.uncompressProperty(lvl._papx, pap, _styleSheet, false);

    addParagraphProperties(pap, blockBuffer);

    ArrayList charRuns = findProperties(Math.max(currentNode.getStart(), start),
                                     Math.min(currentNode.getEnd(), end),
                                     _characterTable.root);
    int len = charRuns.size();

    CHP numChp = (CHP)StyleSheet.uncompressProperty(((ChpxNode)charRuns.get(len-1)).getChpx(), std.getCHP(), _styleSheet);

    numChp = (CHP)StyleSheet.uncompressProperty(lvl._chpx, numChp, _styleSheet);

    //StyleContext context = StyleContext.getDefaultStyleContext();
    //FontMetrics metrics = getFontMetrics(numChp, context);
    int indent = -1 * pap._dxaLeft1;
    String bulletText = getBulletText(lvl, pap);

    indent = indent - (bulletText.length() * 10) * 20;//(metrics.stringWidth(bulletText) * 20);

    if(indent > 0)
    {
      numChp._paddingEnd = (short)indent;
    }

    addCharacterProperties(numChp, blockBuffer);
    int listNum = 0;

    //if(number != null)
    //{
    blockBuffer.append(bulletText);
      //listNum = 1;
    //}

    //for(;listNum < lvl._xst.length; listNum++)
    //{
    //  addText(lvl._xst[listNum], blockBuffer);
    //}


    switch (lvl._ixchFollow)
    {
      case 0:
        addText('\u0009', blockBuffer);
        break;
      case 1:
        addText(' ', blockBuffer);
        break;
    }

    closeLine(blockBuffer);
    for(int x = 0; x < len; x++)
    {
      ChpxNode charNode = (ChpxNode)charRuns.get(x);
      byte[] chpx = charNode.getChpx();
      CHP chp = (CHP)StyleSheet.uncompressProperty(chpx, std.getCHP(), _styleSheet);


      addCharacterProperties(chp, blockBuffer);

      int charStart = Math.max(charNode.getStart(), currentNode.getStart());
      int charEnd = Math.min(charNode.getEnd(), currentNode.getEnd());
      ArrayList textRuns = findProperties(charStart, charEnd, _text.root);
      int textRunLen = textRuns.size();
      for(int y = 0; y < textRunLen; y++)
      {
        TextPiece piece = (TextPiece)textRuns.get(y);
        charStart = Math.max(charStart, piece.getStart());
        charEnd = Math.min(charEnd, piece.getEnd());

        if(piece.usesUnicode())
        {
          addUnicodeText(charStart, charEnd, blockBuffer);
        }
        else
        {
          addText(charStart, charEnd, blockBuffer);
        }
        closeLine(blockBuffer);
      }
    }
    closeBlock(blockBuffer);
  }

  private void addParagraphContent(StringBuffer blockBuffer, PAP pap,
                                   PapxNode currentNode, int start, int end,
                                   StyleDescription std)
  {
    addParagraphProperties(pap, blockBuffer);

    ArrayList charRuns = findProperties(Math.max(currentNode.getStart(), start),
                                     Math.min(currentNode.getEnd(), end),
                                     _characterTable.root);
    int len = charRuns.size();

    for(int x = 0; x < len; x++)
    {
      ChpxNode charNode = (ChpxNode)charRuns.get(x);
      byte[] chpx = charNode.getChpx();
      CHP chp = (CHP)StyleSheet.uncompressProperty(chpx, std.getCHP(), _styleSheet);

      addCharacterProperties(chp, blockBuffer);

      int charStart = Math.max(charNode.getStart(), currentNode.getStart());
      int charEnd = Math.min(charNode.getEnd(), currentNode.getEnd());
      ArrayList textRuns = findProperties(charStart, charEnd, _text.root);
      int textRunLen = textRuns.size();
      for(int y = 0; y < textRunLen; y++)
      {
        TextPiece piece = (TextPiece)textRuns.get(y);
        charStart = Math.max(charStart, piece.getStart());
        charEnd = Math.min(charEnd, piece.getEnd());

        if(piece.usesUnicode())
        {
          addUnicodeText(charStart, charEnd, blockBuffer);
        }
        else
        {
          addText(charStart, charEnd, blockBuffer);
        }
        closeLine(blockBuffer);
      }
    }
    closeBlock(blockBuffer);
  }
  private void addText(int start, int end, StringBuffer buf)
  {
    for(int x = start; x < end; x++)
    {
      char ch = '?';


      ch = (char)_header[x];

      addText(ch, buf);
    }
  }
  private void addText(char ch, StringBuffer buf)
  {
    int num = 0xffff & ch;
    if((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') ||
      (ch >= '0' && ch <= '9') || ch == '_' || ch == ' ' || ch == '-' || ch == '.' || ch == '$')
    {
      buf.append(ch);
    }
    else if(num == 0x07 && _cellBuffer != null)
    {

      if(_cells == null)
      {
        _cells = new ArrayList();
      }
      closeLine(_cellBuffer);
      closeBlock(_cellBuffer);
      _cells.add(_cellBuffer.toString());
      _cellBuffer = null;

    }

    else
    {
      /** @todo handle special characters */
      if(num < 0x20)
      num=0x20;
      buf.append("&#");
      buf.append(num);
      buf.append(';');
    }
  }
  private void addUnicodeText(int start, int end, StringBuffer buf)
  {
    for(int x = start; x < end; x += 2)
    {
      char ch = Utils.getUnicodeCharacter(_header, x);
      //if(ch < 0x0020)
      //{
      //  _bodyBuffer.append('?');
      //}
      //else
      //{
        addText(ch, buf);
      //}
    }
  }
  private void addParagraphProperties(PAP pap, StringBuffer buf)
  {
    buf.append("<fo:block ");
    buf.append("text-align=\"" + getTextAlignment(pap._jc) + "\"\r\n");
    buf.append("linefeed-treatment=\"preserve\" ");
    buf.append("white-space-collapse=\"false\" ");

    if(pap._fKeep > 0)
    {
      buf.append("keep-together.within-page=\"always\"\r\n");
    }
    if(pap._fKeepFollow > 0)
    {
      buf.append("keep-with-next.within-page=\"always\"\r\n");
    }
    if(pap._fPageBreakBefore > 0)
    {
      buf.append("break-before=\"page\"\r\n");
    }
    if(pap._fNoAutoHyph == 0)
    {
      buf.append("hyphenate=\"true\"\r\n");
    }
    else
    {
      buf.append("hyphenate=\"false\"\r\n");
    }
    if(pap._dxaLeft > 0)
    {
      buf.append("start-indent=\"" + ((float)pap._dxaLeft)/1440.0f + "in\"\r\n");
    }
    if(pap._dxaRight > 0)
    {
      buf.append("end-indent=\"" + ((float)pap._dxaRight)/1440.0f + "in\"\r\n");
    }
    if(pap._dxaLeft1 != 0)
    {
      buf.append("text-indent=\"" + ((float)pap._dxaLeft1)/1440.0f + "in\"\r\n");
    }
    if(pap._lspd[1] == 0)
    {
      //buf.append("line-height=\"" + ((float)pap._lspd[0])/1440.0f + "in\"\r\n");
    }
    addBorder(buf, pap._brcTop, "top");
    addBorder(buf, pap._brcBottom, "bottom");
    addBorder(buf, pap._brcLeft, "left");
    addBorder(buf, pap._brcRight, "right");

    buf.append(">");

  }

  private void addCharacterProperties(CHP chp, StringBuffer buf)
  {
    buf.append("<fo:inline ");
    buf.append("font-family=\"" + _fonts.getFont(chp._ftcAscii) + "\" ");
    buf.append("font-size=\"" + (chp._hps / 2) + "pt\" ");
    buf.append("color=\"" + getColor(chp._ico) + "\" ");
    //not supported by fop
    //buf.append("letter-spacing=\"" + ((double)chp._dxaSpace)/1440.0f + "in\" ");

    addBorder(buf, chp._brc, "top");
    addBorder(buf, chp._brc, "bottom");
    addBorder(buf, chp._brc, "left");
    addBorder(buf, chp._brc, "right");

    if(chp._italic)
    {
      buf.append("font-style=\"italic\" ");
    }
    if(chp._bold)
    {
      buf.append("font-weight=\"bold\" ");
    }
    if(chp._fSmallCaps)
    {
      buf.append("font-variant=\"small-caps\" ");
    }
    if(chp._fCaps)
    {
      buf.append("text-transform=\"uppercase\" ");
    }
    if(chp._fStrike || chp._fDStrike)
    {
      buf.append("text-decoration=\"line-through\" ");
    }
    if(chp._fShadow)
    {
      int size = chp._hps/24;
      buf.append("text-shadow=\"" + size + "pt\"");
    }
    if(chp._fLowerCase)
    {
      buf.append("text-transform=\"lowercase\" ");
    }
    if(chp._kul > 0)
    {
      buf.append("text-decoration=\"underline\" ");
    }
    if(chp._highlighted)
    {
      buf.append("background-color=\"" + getColor(chp._icoHighlight) + "\" ");
    }
    if(chp._paddingStart != 0)
    {
      buf.append("padding-start=\"" + (float)chp._paddingStart/1440.0f + "in\" ");
    }
    if(chp._paddingEnd != 0)
    {
      buf.append("padding-end=\"" + (float)chp._paddingEnd/1440.0f + "in\" ");
    }
    buf.append(">");
  }
  private void addStaticContent(String flowName, HeaderFooter content)
  {
    _bodyBuffer.append("<fo:static-content flow-name=\"" + flowName + "\">");
    //_bodyBuffer.append("<fo:float float=\"before\">");
    addBlockContent(content.getStart(), content.getEnd(),_text, _paragraphTable, _characterTable);
    //_bodyBuffer.append("</fo:float>");
    _bodyBuffer.append("</fo:static-content>");

  }
  private String getBulletText(LVL lvl, PAP pap)
  {
    StringBuffer bulletBuffer = new StringBuffer();
    for(int x = 0; x < lvl._xst.length; x++)
    {
      if(lvl._xst[x] < 9)
      {
        LVL numLevel = _listTables.getLevel(pap._ilfo, lvl._xst[x]);
        int num = numLevel._iStartAt;
        if(lvl == numLevel)
        {
          numLevel._iStartAt++;
        }
        else if(num > 1)
        {
          num--;
        }
        bulletBuffer.append(NumberFormatter.getNumber(num, lvl._nfc));

      }
      else
      {
        bulletBuffer.append(lvl._xst[x]);
      }

    }
    return bulletBuffer.toString();
  }
  /**
   * finds all chpx's that are between start and end
   */
  private ArrayList findProperties(int start, int end, BTreeSet.BTreeNode root)
  {
    ArrayList results = new ArrayList();
    BTreeSet.Entry[] entries = root.entries;

    for(int x = 0; x < entries.length; x++)
    {
      if(entries[x] != null)
      {
        BTreeSet.BTreeNode child = entries[x].child;
        PropertyNode xNode = (PropertyNode)entries[x].element;
        if(xNode != null)
        {
          int xStart = xNode.getStart();
          int xEnd = xNode.getEnd();
          if(xStart < end)
          {
            if(xStart >= start)
            {
              if(child != null)
              {
                ArrayList beforeItems = findProperties(start, end, child);
                results.addAll(beforeItems);
              }
              results.add(xNode);
            }
            else if(start < xEnd)
            {
              results.add(xNode);
              //break;
            }
          }
          else
          {
            if(child != null)
            {
              ArrayList beforeItems = findProperties(start, end, child);
              results.addAll(beforeItems);
            }
            break;
          }
        }
        else if(child != null)
        {
          ArrayList afterItems = findProperties(start, end, child);
          results.addAll(afterItems);
        }
      }
      else
      {
        break;
      }
    }
    return results;
  }
  private void openPage(String page, String type)
  {
    _bodyBuffer.append("<fo:page-sequence master-reference=\"" + page + "\">\r\n");
  }
  private void openFlow()
  {
    _bodyBuffer.append("<fo:flow flow-name=\"xsl-region-body\">\r\n");
  }
  private void closeFlow()
  {
    _bodyBuffer.append("</fo:flow>\r\n");
  }
  private void closePage()
  {
    _bodyBuffer.append("</fo:page-sequence>\r\n");
  }
  private void closeLine(StringBuffer buf)
  {
    buf.append("</fo:inline>");