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CHPBinTable.javaAPI DocApache Poi 3.0.16010Mon Jan 01 18:55:32 GMT 2007org.apache.poi.hwpf.model

CHPBinTable

public class CHPBinTable extends Object
This class holds all of the character formatting properties.
author
Ryan Ackley

Fields Summary
protected ArrayList
_textRuns
List of character properties.
Constructors Summary
public CHPBinTable()
public CHPBinTable(byte[] documentStream, byte[] tableStream, int offset, int size, int fcMin)
Constructor used to read a binTable in from a Word document.

param
documentStream
param
tableStream
param
offset
param
size
param
fcMin

    PlexOfCps binTable = new PlexOfCps(tableStream, offset, size, 4);

    int length = binTable.length();
    for (int x = 0; x < length; x++)
    {
      GenericPropertyNode node = binTable.getProperty(x);

      int pageNum = LittleEndian.getInt(node.getBytes());
      int pageOffset = POIFSConstants.BIG_BLOCK_SIZE * pageNum;

      CHPFormattedDiskPage cfkp = new CHPFormattedDiskPage(documentStream,
        pageOffset, fcMin);

      int fkpSize = cfkp.size();

      for (int y = 0; y < fkpSize; y++)
      {
        _textRuns.add(cfkp.getCHPX(y));
      }
    }
Methods Summary
public voidadjustForDelete(int listIndex, int offset, int length)

    int size = _textRuns.size();
    int endMark = offset + length;
    int endIndex = listIndex;

    CHPX chpx = (CHPX)_textRuns.get(endIndex);
    while (chpx.getEnd() < endMark)
    {
      chpx = (CHPX)_textRuns.get(++endIndex);
    }
    if (listIndex == endIndex)
    {
      chpx = (CHPX)_textRuns.get(endIndex);
      chpx.setEnd((chpx.getEnd() - endMark) + offset);
    }
    else
    {
      chpx = (CHPX)_textRuns.get(listIndex);
      chpx.setEnd(offset);
      for (int x = listIndex + 1; x < endIndex; x++)
      {
        chpx = (CHPX)_textRuns.get(x);
        chpx.setStart(offset);
        chpx.setEnd(offset);
      }
      chpx = (CHPX)_textRuns.get(endIndex);
      chpx.setEnd((chpx.getEnd() - endMark) + offset);
    }

    for (int x = endIndex + 1; x < size; x++)
    {
      chpx = (CHPX)_textRuns.get(x);
      chpx.setStart(chpx.getStart() - length);
      chpx.setEnd(chpx.getEnd() - length);
    }
public voidadjustForInsert(int listIndex, int length)

    int size = _textRuns.size();
    CHPX chpx = (CHPX)_textRuns.get(listIndex);
    chpx.setEnd(chpx.getEnd() + length);

    for (int x = listIndex + 1; x < size; x++)
    {
      chpx = (CHPX)_textRuns.get(x);
      chpx.setStart(chpx.getStart() + length);
      chpx.setEnd(chpx.getEnd() + length);
    }
public java.util.ListgetTextRuns()

    return _textRuns;
public voidinsert(int listIndex, int cpStart, org.apache.poi.hwpf.sprm.SprmBuffer buf)

    CHPX insertChpx = new CHPX(cpStart, cpStart, buf);
    if (listIndex == _textRuns.size())
    {
      _textRuns.add(insertChpx);
    }
    else
    {
      CHPX chpx = (CHPX)_textRuns.get(listIndex);
      if (chpx.getStart() < cpStart)
      {
        CHPX clone = new CHPX(cpStart, chpx.getEnd(), chpx.getSprmBuf());
        chpx.setEnd(cpStart);

        _textRuns.add(listIndex + 1, insertChpx);
        _textRuns.add(listIndex + 2, clone);
      }
      else
      {
        _textRuns.add(listIndex, insertChpx);
      }
    }
public voidwriteTo(org.apache.poi.hwpf.model.io.HWPFFileSystem sys, int fcMin)


    HWPFOutputStream docStream = sys.getStream("WordDocument");
    OutputStream tableStream = sys.getStream("1Table");

    PlexOfCps binTable = new PlexOfCps(4);

    // each FKP must start on a 512 byte page.
    int docOffset = docStream.getOffset();
    int mod = docOffset % POIFSConstants.BIG_BLOCK_SIZE;
    if (mod != 0)
    {
      byte[] padding = new byte[POIFSConstants.BIG_BLOCK_SIZE - mod];
      docStream.write(padding);
    }

    // get the page number for the first fkp
    docOffset = docStream.getOffset();
    int pageNum = docOffset/POIFSConstants.BIG_BLOCK_SIZE;

    // get the ending fc
    int endingFc = ((PropertyNode)_textRuns.get(_textRuns.size() - 1)).getEnd();
    endingFc += fcMin;


    ArrayList overflow = _textRuns;
    do
    {
      PropertyNode startingProp = (PropertyNode)overflow.get(0);
      int start = startingProp.getStart() + fcMin;

      CHPFormattedDiskPage cfkp = new CHPFormattedDiskPage();
      cfkp.fill(overflow);

      byte[] bufFkp = cfkp.toByteArray(fcMin);
      docStream.write(bufFkp);
      overflow = cfkp.getOverflow();

      int end = endingFc;
      if (overflow != null)
      {
        end = ((PropertyNode)overflow.get(0)).getStart() + fcMin;
      }

      byte[] intHolder = new byte[4];
      LittleEndian.putInt(intHolder, pageNum++);
      binTable.addProperty(new GenericPropertyNode(start, end, intHolder));

    }
    while (overflow != null);
    tableStream.write(binTable.toByteArray());