work in progress

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@353156 13f79535-47bb-0310-9956-ffa450edef68

src/scratchpad/src/org/apache/poi/hwpf/model/hdftypes/CHPBinTable.java

@@ -57,15 +57,20 @@
 package org.apache.poi.hwpf.model.hdftypes;
 
 import java.util.ArrayList;
+import java.io.OutputStream;
+import java.io.IOException;
 
 import org.apache.poi.poifs.common.POIFSConstants;
 import org.apache.poi.util.LittleEndian;
+import org.apache.poi.hwpf.model.io.*;
+
 
 public class CHPBinTable
 {
-  ArrayList _textRuns;
+  ArrayList _textRuns = new ArrayList();
 
-  public CHPBinTable(byte[] documentStream, byte[] tableStream, int offset, int size)
+  public CHPBinTable(byte[] documentStream, byte[] tableStream, int offset,
+                     int size, int fcMin)
   {
     PlexOfCps binTable = new PlexOfCps(tableStream, offset, size, 4);
 
@@ -78,7 +83,7 @@ public class CHPBinTable
       int pageOffset = POIFSConstants.BIG_BLOCK_SIZE * pageNum;
 
       CHPFormattedDiskPage cfkp = new CHPFormattedDiskPage(documentStream,
-        pageOffset);
+        pageOffset, fcMin);
 
       int fkpSize = cfkp.size();
 
@@ -89,4 +94,63 @@ public class CHPBinTable
     }
   }
 
+  public void writeTo(HWPFFileSystem sys, int fcMin)
+    throws IOException
+  {
+
+    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;
+    byte[] intHolder = new byte[4];
+    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)).getEnd();
+      }
+
+      LittleEndian.putInt(intHolder, pageNum++);
+      binTable.addProperty(new PropertyNode(start, end, intHolder));
+
+    }
+    while (overflow != null);
+    tableStream.write(binTable.toByteArray());
+  }
+
+
+
+
+
 }

src/scratchpad/src/org/apache/poi/hwpf/model/hdftypes/CHPFormattedDiskPage.java

@@ -53,6 +53,7 @@
  */
 package org.apache.poi.hwpf.model.hdftypes;
 
+import java.util.List;
 import java.util.ArrayList;
 
 import org.apache.poi.util.LittleEndian;
@@ -80,19 +81,24 @@ public class CHPFormattedDiskPage extends FormattedDiskPage
     private ArrayList _chpxList = new ArrayList();
     private ArrayList _overFlow;
 
+
+    public CHPFormattedDiskPage()
+    {
+    }
+
     /**
      * This constructs a CHPFormattedDiskPage from a raw fkp (512 byte array
      * read from a Word file).
      *
      * @param fkp The 512 byte array to read data from
      */
-    public CHPFormattedDiskPage(byte[] documentStream, int offset)
+    public CHPFormattedDiskPage(byte[] documentStream, int offset, int fcMin)
     {
       super(documentStream, offset);
 
       for (int x = 0; x < _crun; x++)
       {
-        _chpxList.add(new CHPX(getStart(x), getEnd(x), getGrpprl(x)));
+        _chpxList.add(new CHPX(getStart(x) - fcMin, getEnd(x) - fcMin, getGrpprl(x)));
       }
     }
 
@@ -101,6 +107,16 @@ public class CHPFormattedDiskPage extends FormattedDiskPage
       return (CHPX)_chpxList.get(index);
     }
 
+    public void fill(List filler)
+    {
+      _chpxList.addAll(filler);
+    }
+
+    public ArrayList getOverflow()
+    {
+      return _overFlow;
+    }
+
     /**
      * Gets the chpx for the character run at index in this fkp.
      *
@@ -117,15 +133,15 @@ public class CHPFormattedDiskPage extends FormattedDiskPage
             return new byte[0];
         }
 
-        int size = LittleEndian.getUnsignedByte(_fkp, chpxOffset);
+        int size = LittleEndian.getUnsignedByte(_fkp, _offset + chpxOffset);
 
         byte[] chpx = new byte[size];
 
-        System.arraycopy(_fkp, ++chpxOffset, chpx, 0, size);
+        System.arraycopy(_fkp, _offset + ++chpxOffset, chpx, 0, size);
         return chpx;
     }
 
-    protected byte[] toByteArray()
+    protected byte[] toByteArray(int fcMin)
     {
       byte[] buf = new byte[512];
       int size = _chpxList.size();
@@ -177,7 +193,7 @@ public class CHPFormattedDiskPage extends FormattedDiskPage
         chpx = (CHPX)_chpxList.get(x);
         byte[] grpprl = chpx.getGrpprl();
 
-        LittleEndian.putInt(buf, fcOffset, chpx.getStart());
+        LittleEndian.putInt(buf, fcOffset, chpx.getStart() + fcMin);
         buf[offsetOffset] = (byte)(grpprlOffset/2);
         System.arraycopy(grpprl, 0, buf, grpprlOffset, grpprl.length);
 
@@ -185,8 +201,8 @@ public class CHPFormattedDiskPage extends FormattedDiskPage
         offsetOffset += 1;
         fcOffset += FC_SIZE;
       }
-      // put the last papx's end in
+      // put the last chpx's end in
-      LittleEndian.putInt(buf, fcOffset, chpx.getEnd());
+      LittleEndian.putInt(buf, fcOffset, chpx.getEnd() + fcMin);
       return buf;
     }
 

src/scratchpad/src/org/apache/poi/hwpf/model/hdftypes/ComplexFileTable.java

@@ -59,23 +59,27 @@ package org.apache.poi.hwpf.model.hdftypes;
 import java.io.IOException;
 
 import org.apache.poi.util.LittleEndian;
+import org.apache.poi.hwpf.model.io.*;
 
 public class ComplexFileTable
 {
 
+  private static final byte GRPPRL_TYPE = 1;
+  private static final byte TEXT_PIECE_TABLE_TYPE = 2;
+
   TextPieceTable _tpt;
 
-  public ComplexFileTable(byte[] documentStream, byte[] tableStream, int offset) throws IOException
+  public ComplexFileTable(byte[] documentStream, byte[] tableStream, int offset, int fcMin) throws IOException
   {
     //skips through the prms before we reach the piece table. These contain data
     //for actual fast saved files
-    while (tableStream[offset] == 1)
+    while (tableStream[offset] == GRPPRL_TYPE)
     {
       offset++;
       int skip = LittleEndian.getShort(tableStream, offset);
-      offset += 2 + skip;
+      offset += LittleEndian.SHORT_SIZE + skip;
     }
-    if(tableStream[offset] != 2)
+    if(tableStream[offset] != TEXT_PIECE_TABLE_TYPE)
     {
       throw new IOException("The text piece table is corrupted");
     }
@@ -83,8 +87,25 @@ public class ComplexFileTable
     {
       int pieceTableSize = LittleEndian.getInt(tableStream, ++offset);
       offset += LittleEndian.INT_SIZE;
-      _tpt = new TextPieceTable(documentStream, tableStream, offset, pieceTableSize);
+      _tpt = new TextPieceTable(documentStream, tableStream, offset, pieceTableSize, fcMin);
     }
   }
 
+  public void writeTo(HWPFFileSystem sys)
+    throws IOException
+  {
+    HWPFOutputStream docStream = sys.getStream("WordDocument");
+    HWPFOutputStream tableStream = sys.getStream("1Table");
+
+    tableStream.write(TEXT_PIECE_TABLE_TYPE);
+
+    byte[] table = _tpt.writeTo(docStream);
+
+    byte[] numHolder = new byte[LittleEndian.INT_SIZE];
+    LittleEndian.putInt(numHolder, table.length);
+    tableStream.write(numHolder);
+    tableStream.write(table);
+
+  }
+
 }

src/scratchpad/src/org/apache/poi/hwpf/model/hdftypes/DocumentProperties.java

@@ -58,35 +58,20 @@
 package org.apache.poi.hwpf.model.hdftypes;
 
 import org.apache.poi.util.LittleEndian;
+import org.apache.poi.hwpf.model.hdftypes.definitions.DOPAbstractType;
+
 /**
  * Comment me
  *
  * @author Ryan Ackley
  */
 
-public class DocumentProperties implements HDFType
+public class DocumentProperties extends DOPAbstractType
 {
 
-  public boolean _fFacingPages;
-  public int _fpc;
-  public int _epc;
-  public int _rncFtn;
-  public int _nFtn;
-  public int _rncEdn;
-  public int _nEdn;
 
-  public DocumentProperties(byte[] dopArray)
+  public DocumentProperties(byte[] tableStream, int offset)
   {
-        _fFacingPages = (dopArray[0] & 0x1) > 0;
+    super.fillFields(tableStream, (short)0, offset);
-        _fpc = (dopArray[0] & 0x60) >> 5;
-
-        short num = LittleEndian.getShort(dopArray, 2);
-        _rncFtn = (num & 0x3);
-        _nFtn = (short)(num & 0xfffc) >> 2;
-        num = LittleEndian.getShort(dopArray, 52);
-        _rncEdn = num & 0x3;
-        _nEdn = (short)(num & 0xfffc) >> 2;
-        num = LittleEndian.getShort(dopArray, 54);
-        _epc = num & 0x3;
   }
 }

src/scratchpad/src/org/apache/poi/hwpf/model/hdftypes/FormattedDiskPage.java

@@ -82,6 +82,12 @@ public abstract class FormattedDiskPage
     protected int _crun;
     protected int _offset;
 
+
+    public FormattedDiskPage()
+    {
+
+    }
+
     /**
      * Uses a 512-byte array to create a FKP
      */
@@ -89,6 +95,7 @@ public abstract class FormattedDiskPage
     {
         _crun = LittleEndian.getUnsignedByte(documentStream, offset + 511);
         _fkp = documentStream;
+        _offset = offset;
     }
     /**
      * Used to get a text offset corresponding to a grpprl in this fkp.

src/scratchpad/src/org/apache/poi/hwpf/model/hdftypes/PAPBinTable.java

@@ -56,15 +56,20 @@
 package org.apache.poi.hwpf.model.hdftypes;
 
 import java.util.ArrayList;
+import java.io.IOException;
+import java.io.OutputStream;
+
+import org.apache.poi.hwpf.model.io.*;
 
 import org.apache.poi.poifs.common.POIFSConstants;
 import org.apache.poi.util.LittleEndian;
 
 public class PAPBinTable
 {
-  ArrayList _paragraphs;
+  ArrayList _paragraphs = new ArrayList();
 
-  public PAPBinTable(byte[] documentStream, byte[] tableStream, int offset, int size)
+  public PAPBinTable(byte[] documentStream, byte[] tableStream, int offset,
+                     int size, int fcMin)
   {
     PlexOfCps binTable = new PlexOfCps(tableStream, offset, size, 4);
 
@@ -77,7 +82,7 @@ public class PAPBinTable
       int pageOffset = POIFSConstants.BIG_BLOCK_SIZE * pageNum;
 
       PAPFormattedDiskPage pfkp = new PAPFormattedDiskPage(documentStream,
-        pageOffset);
+        pageOffset, fcMin);
 
       int fkpSize = pfkp.size();
 
@@ -88,5 +93,61 @@ public class PAPBinTable
     }
   }
 
+  public void writeTo(HWPFFileSystem sys, int fcMin)
+    throws IOException
+  {
+
+    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)_paragraphs.get(_paragraphs.size() - 1)).getEnd();
+    endingFc += fcMin;
+
+
+    ArrayList overflow = _paragraphs;
+    byte[] intHolder = new byte[4];
+    do
+    {
+      PropertyNode startingProp = (PropertyNode)overflow.get(0);
+      int start = startingProp.getStart() + fcMin;
+
+      PAPFormattedDiskPage pfkp = new PAPFormattedDiskPage();
+      pfkp.fill(overflow);
+
+      byte[] bufFkp = pfkp.toByteArray(fcMin);
+      docStream.write(bufFkp);
+      overflow = pfkp.getOverflow();
+
+      int end = endingFc;
+      if (overflow != null)
+      {
+        end = ((PropertyNode)overflow.get(0)).getEnd();
+      }
+
+      LittleEndian.putInt(intHolder, pageNum++);
+      binTable.addProperty(new PropertyNode(start, end, intHolder));
+
+    }
+    while (overflow != null);
+    tableStream.write(binTable.toByteArray());
+  }
+
+
 }
 

src/scratchpad/src/org/apache/poi/hwpf/model/hdftypes/PAPFormattedDiskPage.java

@@ -57,6 +57,7 @@ import org.apache.poi.poifs.common.POIFSConstants;
 import org.apache.poi.util.LittleEndian;
 
 import java.util.ArrayList;
+import java.util.List;
 
 /**
  * Represents a PAP FKP. The style properties for paragraph and character runs
@@ -83,22 +84,38 @@ public class PAPFormattedDiskPage extends FormattedDiskPage
     private ArrayList _papxList = new ArrayList();
     private ArrayList _overFlow;
 
+
+    public PAPFormattedDiskPage()
+    {
+
+    }
+
     /**
      * Creates a PAPFormattedDiskPage from a 512 byte array
      *
      * @param fkp a 512 byte array.
      */
-    public PAPFormattedDiskPage(byte[] documentStream, int offset)
+    public PAPFormattedDiskPage(byte[] documentStream, int offset, int fcMin)
     {
       super(documentStream, offset);
 
       for (int x = 0; x < _crun; x++)
       {
-        _papxList.add(new PAPX(getStart(x), getEnd(x), getGrpprl(x), getParagraphHeight(x)));
+        _papxList.add(new PAPX(getStart(x) - fcMin, getEnd(x) - fcMin, getGrpprl(x), getParagraphHeight(x)));
       }
       _fkp = null;
     }
 
+    public void fill(List filler)
+    {
+      _papxList.addAll(filler);
+    }
+
+    public ArrayList getOverflow()
+    {
+      return _overFlow;
+    }
+
     public PAPX getPAPX(int index)
     {
       return (PAPX)_papxList.get(index);
@@ -113,10 +130,10 @@ public class PAPFormattedDiskPage extends FormattedDiskPage
     protected byte[] getGrpprl(int index)
     {
         int papxOffset = 2 * LittleEndian.getUnsignedByte(_fkp, _offset + (((_crun + 1) * FC_SIZE) + (index * BX_SIZE)));
-        int size = 2 * LittleEndian.getUnsignedByte(_fkp, papxOffset);
+        int size = 2 * LittleEndian.getUnsignedByte(_fkp, _offset + papxOffset);
         if(size == 0)
         {
-            size = 2 * LittleEndian.getUnsignedByte(_fkp, ++papxOffset);
+            size = 2 * LittleEndian.getUnsignedByte(_fkp, _offset + ++papxOffset);
         }
         else
         {
@@ -124,11 +141,11 @@ public class PAPFormattedDiskPage extends FormattedDiskPage
         }
 
         byte[] papx = new byte[size];
-        System.arraycopy(_fkp, ++papxOffset, papx, 0, size);
+        System.arraycopy(_fkp, _offset + ++papxOffset, papx, 0, size);
         return papx;
     }
 
-    protected byte[] toByteArray()
+    protected byte[] toByteArray(int fcMin)
     {
       byte[] buf = new byte[512];
       int size = _papxList.size();
@@ -144,8 +161,9 @@ public class PAPFormattedDiskPage extends FormattedDiskPage
       {
         int grpprlLength = ((PAPX)_papxList.get(index)).getGrpprl().length;
 
-        // check to see if we have enough room for an FC, a BX, and the grpprl.
+        // check to see if we have enough room for an FC, a BX, and the grpprl
-        totalSize += (FC_SIZE + BX_SIZE + grpprlLength);
+        // and the 1 byte size of the grpprl.
+        totalSize += (FC_SIZE + BX_SIZE + grpprlLength + 1);
         // if size is uneven we will have to add one so the first grpprl falls
         // on a word boundary
         if (totalSize > 511 + (index % 2))
@@ -159,6 +177,10 @@ public class PAPFormattedDiskPage extends FormattedDiskPage
         {
           totalSize += 1;
         }
+        else
+        {
+          totalSize += 2;
+        }
       }
 
       // see if we couldn't fit some
@@ -181,17 +203,29 @@ public class PAPFormattedDiskPage extends FormattedDiskPage
         byte[] phe = papx.getParagraphHeight().toByteArray();
         byte[] grpprl = papx.getGrpprl();
 
-        LittleEndian.putInt(buf, fcOffset, papx.getStart());
+        LittleEndian.putInt(buf, fcOffset, papx.getStart() + fcMin);
         buf[bxOffset] = (byte)(grpprlOffset/2);
         System.arraycopy(phe, 0, buf, bxOffset + 1, phe.length);
+
+        // refer to the section on PAPX in the spec. Places a size on the front
+        // of the PAPX. Has to do with how the grpprl stays on word
+        // boundaries.
+        if ((grpprl.length % 2) > 0)
+        {
+          buf[grpprlOffset++] = (byte)((grpprl.length + 1)/2);
+        }
+        else
+        {
+          buf[++grpprlOffset] = (byte)((grpprl.length)/2);
+          grpprlOffset++;
+        }
         System.arraycopy(grpprl, 0, buf, grpprlOffset, grpprl.length);
 
-        grpprlOffset += grpprl.length + (grpprl.length % 2);
         bxOffset += BX_SIZE;
         fcOffset += FC_SIZE;
       }
       // put the last papx's end in
-      LittleEndian.putInt(buf, fcOffset, papx.getEnd());
+      LittleEndian.putInt(buf, fcOffset, papx.getEnd() + fcMin);
       return buf;
     }
 

src/scratchpad/src/org/apache/poi/hwpf/model/hdftypes/PieceDescriptor.java

@@ -63,9 +63,9 @@ public class PieceDescriptor
 {
 
   short descriptor;
-   BitField fNoParaLast = new BitField(0x01);
+   private static BitField fNoParaLast = new BitField(0x01);
-   BitField fPaphNil = new BitField(0x02);
+   private static BitField fPaphNil = new BitField(0x02);
-   BitField fCopied = new BitField(0x04);
+   private static BitField fCopied = new BitField(0x04);
   int fc;
   short prm;
   boolean unicode;
@@ -98,6 +98,11 @@ public class PieceDescriptor
     return fc;
   }
 
+  public void setFilePosition(int pos)
+  {
+    fc = pos;
+  }
+
   public boolean isUnicode()
   {
     return unicode;

src/scratchpad/src/org/apache/poi/hwpf/model/hdftypes/PropertyNode.java

@@ -64,8 +64,8 @@ package org.apache.poi.hwpf.model.hdftypes;
 public class PropertyNode implements Comparable
 {
   private byte[] _buf;
-  private int _fcStart;
+  private int _cpStart;
-  private int _fcEnd;
+  private int _cpEnd;
 
   /**
    * @param fcStart The start of the text for this property.
@@ -74,8 +74,8 @@ public class PropertyNode implements Comparable
    */
   public PropertyNode(int fcStart, int fcEnd, byte[] buf)
   {
-      _fcStart = fcStart;
+      _cpStart = fcStart;
-      _fcEnd = fcEnd;
+      _cpEnd = fcEnd;
       _buf = buf;
   }
   /**
@@ -83,14 +83,14 @@ public class PropertyNode implements Comparable
    */
   public int getStart()
   {
-      return _fcStart;
+      return _cpStart;
   }
   /**
    * @retrun The offset of the end of this property's text.
    */
   public int getEnd()
   {
-    return _fcEnd;
+    return _cpEnd;
   }
   /**
    * @return This property's property in copmpressed form.
@@ -104,12 +104,12 @@ public class PropertyNode implements Comparable
    */
   public int compareTo(Object o)
   {
-      int fcEnd = ((PropertyNode)o).getEnd();
+      int cpEnd = ((PropertyNode)o).getEnd();
-      if(_fcEnd == fcEnd)
+      if(_cpEnd == cpEnd)
       {
         return 0;
       }
-      else if(_fcEnd < fcEnd)
+      else if(_cpEnd < cpEnd)
       {
         return -1;
       }

src/scratchpad/src/org/apache/poi/hwpf/model/hdftypes/SectionTable.java

@@ -67,10 +67,10 @@ public class SectionTable
 {
   private static final int SED_SIZE = 12;
 
-  private ArrayList _sections;
+  private ArrayList _sections = new ArrayList();
 
   public SectionTable(byte[] documentStream, byte[] tableStream, int offset,
-                      int size)
+                      int size, int fcMin)
   {
     PlexOfCps sedPlex = new PlexOfCps(tableStream, offset, size, SED_SIZE);
 
@@ -86,7 +86,7 @@ public class SectionTable
       // check for the optimization
       if (fileOffset == 0xffffffff)
       {
-        _sections.add(new SEPX(sed, node.getStart(), node.getEnd(), new byte[0]));
+        _sections.add(new SEPX(sed, node.getStart() - fcMin, node.getEnd() - fcMin, new byte[0]));
       }
       else
       {
@@ -95,12 +95,12 @@ public class SectionTable
         byte[] buf = new byte[sepxSize];
         fileOffset += LittleEndian.SHORT_SIZE;
         System.arraycopy(documentStream, fileOffset, buf, 0, buf.length);
-        _sections.add(new SEPX(sed, node.getStart(), node.getEnd(), buf));
+        _sections.add(new SEPX(sed, node.getStart() - fcMin, node.getEnd() - fcMin, buf));
       }
     }
   }
 
-  public void writeTo(HWPFFileSystem sys)
+  public void writeTo(HWPFFileSystem sys, int fcMin)
     throws IOException
   {
     HWPFOutputStream docStream = sys.getStream("WordDocument");
@@ -128,7 +128,7 @@ public class SectionTable
       sed.setFc(offset);
 
       // add the section descriptor bytes to the PlexOfCps.
-      PropertyNode property = new PropertyNode(sepx.getStart(), sepx.getEnd(), sed.toByteArray());
+      PropertyNode property = new PropertyNode(sepx.getStart() - fcMin, sepx.getEnd() - fcMin, sed.toByteArray());
       plex.addProperty(property);
 
       offset = docStream.getOffset();

src/scratchpad/src/org/apache/poi/hwpf/model/hdftypes/StyleDescription.java

@@ -202,4 +202,67 @@ public class StyleDescription implements HDFType
 //  {
 //      _chp = chp;
 //  }
+  public byte[] toByteArray()
+  {
+    // size equals 8 bytes for known variables plus 2 bytes for name length plus
+    // name length * 2 plus 2 bytes for null plus upx's preceded by length
+    int size = 8 + 2 + ((_name.length() + 1) * 2);
+
+    //only worry about papx and chpx for upxs
+    if(_styleTypeCode.getValue(_infoShort2) == PARAGRAPH_STYLE)
+    {
+      size += _papx.length + 2 + (_papx.length % 2);
+      size += _chpx.length + 2;
+    }
+    else if (_styleTypeCode.getValue(_infoShort2) == CHARACTER_STYLE)
+    {
+      size += _chpx.length + 2;
+    }
+
+    byte[] buf = new byte[size];
+
+    int offset = 0;
+    LittleEndian.putShort(buf, offset, _infoShort);
+    offset += LittleEndian.SHORT_SIZE;
+    LittleEndian.putShort(buf, offset, _infoShort2);
+    offset += LittleEndian.SHORT_SIZE;
+    LittleEndian.putShort(buf, offset, _bchUpe);
+    offset += LittleEndian.SHORT_SIZE;
+    LittleEndian.putShort(buf, offset, _infoShort3);
+    offset += LittleEndian.SHORT_SIZE;
+
+    char[] letters = _name.toCharArray();
+    LittleEndian.putShort(buf, offset, (short)letters.length);
+    offset += LittleEndian.SHORT_SIZE;
+    for (int x = 0; x < letters.length; x++)
+    {
+      LittleEndian.putShort(buf, offset, (short)letters[x]);
+      offset += LittleEndian.SHORT_SIZE;
+    }
+    // get past the null delimiter for the name.
+    offset += LittleEndian.SHORT_SIZE;
+
+    //only worry about papx and chpx for upxs
+    if(_styleTypeCode.getValue(_infoShort2) == PARAGRAPH_STYLE)
+    {
+      LittleEndian.putShort(buf, offset, (short)_papx.length);
+      offset += LittleEndian.SHORT_SIZE;
+      System.arraycopy(_papx, 0, buf, offset, _papx.length);
+      offset += _papx.length + (_papx.length % 2);
+
+      LittleEndian.putShort(buf, offset, (short)_chpx.length);
+      offset += LittleEndian.SHORT_SIZE;
+      System.arraycopy(_chpx, 0, buf, offset, _chpx.length);
+      offset += _chpx.length;
+    }
+    else if (_styleTypeCode.getValue(_infoShort2) == CHARACTER_STYLE)
+    {
+      LittleEndian.putShort(buf, offset, (short)_chpx.length);
+      offset += LittleEndian.SHORT_SIZE;
+      System.arraycopy(_chpx, 0, buf, offset, _chpx.length);
+      offset += _chpx.length;
+    }
+
+    return buf;
+  }
 }

src/scratchpad/src/org/apache/poi/hwpf/model/hdftypes/TextPiece.java

@@ -66,6 +66,7 @@ public class TextPiece extends PropertyNode implements Comparable
 {
   private boolean _usesUnicode;
   private int _length;
+  private PieceDescriptor _pd;
 
   /**
    * @param start Offset in main document stream.
@@ -73,12 +74,11 @@ public class TextPiece extends PropertyNode implements Comparable
    *        does not necessarily refer to 1 byte.
    * @param unicode true if this text is unicode.
    */
-  public TextPiece(int start, int length, boolean unicode)
+  public TextPiece(int start, int end, byte[] text, PieceDescriptor pd)
   {
-      super(start, start + length, null);
+      super(start, end, text);
-      _usesUnicode = unicode;
+      _usesUnicode = pd.isUnicode();
-      _length = length;
+      _length = end - start;
-
   }
   /**
    * @return If this text piece uses unicode
@@ -87,4 +87,9 @@ public class TextPiece extends PropertyNode implements Comparable
    {
       return _usesUnicode;
    }
+
+   public PieceDescriptor getPieceDescriptor()
+   {
+     return _pd;
+   }
 }

src/scratchpad/src/org/apache/poi/hwpf/model/hdftypes/TextPieceTable.java

@@ -58,20 +58,29 @@ package org.apache.poi.hwpf.model.hdftypes;
 
 
 import java.io.UnsupportedEncodingException;
+import java.io.IOException;
+
+import java.util.ArrayList;
+
+import org.apache.poi.hwpf.model.io.*;
 
 public class TextPieceTable
 {
-  StringBuffer _text = new StringBuffer();
+  ArrayList _textPieces = new ArrayList();
 
-  public TextPieceTable(byte[] documentStream, byte[] tableStream, int offset, int size)
+  public TextPieceTable(byte[] documentStream, byte[] tableStream, int offset,
+                        int size, int fcMin)
     throws UnsupportedEncodingException
   {
+    // get our plex of PieceDescriptors
     PlexOfCps pieceTable = new PlexOfCps(tableStream, offset, size, PieceDescriptor.getSizeInBytes());
 
     int multiple = 2;
     int length = pieceTable.length();
     PieceDescriptor[] pieces = new PieceDescriptor[length];
 
+    // iterate through piece descriptors raw bytes and create
+    // PieceDescriptor objects
     for (int x = 0; x < length; x++)
     {
       PropertyNode node = pieceTable.getProperty(x);
@@ -81,28 +90,62 @@ public class TextPieceTable
       {
         multiple = 1;
       }
-
     }
 
+    // using the PieceDescriptors, build our list of TextPieces.
     for (int x = 0; x < pieces.length; x++)
     {
       int start = pieces[x].getFilePosition();
       PropertyNode node = pieceTable.getProperty(x);
-      int textSize = node.getEnd() - node.getStart();
+      int nodeStart = node.getStart() - fcMin;
+      int nodeEnd = node.getEnd() - fcMin;
+      int textSize = nodeEnd - nodeStart;
 
       boolean unicode = pieces[x].isUnicode();
       String toStr = null;
       if (unicode)
       {
-        toStr = new String(documentStream, start, length * multiple, "UTF-16LE");
+        byte[] buf = new byte[textSize * multiple];
+        System.arraycopy(documentStream, start, buf, 0, textSize * multiple);
+        _textPieces.add(new TextPiece(nodeStart, nodeEnd, buf, pieces[x]));
       }
       else
       {
-        toStr = new String(documentStream, start, length, "ISO-8859-1");
+        byte[] buf = new byte[textSize];
+        System.arraycopy(documentStream, start, buf, 0, textSize);
+        _textPieces.add(new TextPiece(nodeStart, nodeEnd, buf, pieces[x]));
+      }
     }
-      _text.append(toStr);
   }
 
+  public byte[] writeTo(HWPFOutputStream docStream)
+    throws IOException
+  {
+
+    PlexOfCps textPlex = new PlexOfCps(PieceDescriptor.getSizeInBytes());
+    int fcMin = docStream.getOffset();
+
+    int size = _textPieces.size();
+    for (int x = 0; x < size; x++)
+    {
+      TextPiece next = (TextPiece)_textPieces.get(x);
+      PieceDescriptor pd = next.getPieceDescriptor();
+
+      // set the text piece position to the current docStream offset.
+      pd.setFilePosition(docStream.getOffset());
+
+      // write the text to the docstream and save the piece descriptor to the
+      // plex which will be written later to the tableStream.
+      docStream.write(next.getBuf());
+      textPlex.addProperty(new PropertyNode(next.getStart() + fcMin,
+                                            next.getEnd() + fcMin,
+                                            pd.toByteArray()));
+
     }
 
+    return textPlex.toByteArray();
+
+  }
+
+
 }