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CharacterSprmUncompressor.javaAPI DocApache Poi 3.0.117143Mon Jan 01 18:55:34 GMT 2007org.apache.poi.hwpf.sprm

CharacterSprmUncompressor

public class CharacterSprmUncompressor extends Object

Fields Summary
Constructors Summary
public CharacterSprmUncompressor()
Methods Summary
private static booleangetCHPFlag(byte x, boolean oldVal)

    /*
         switch(x)
         {
     case 0:
       return false;
     case 1:
       return true;
     case (byte)0x80:
       return oldVal;
     case (byte)0x81:
       return !oldVal;
     default:
       return false;
         }
     */
    if (x == 0)
    {
      return false;
    }
    else if (x == 1)
    {
      return true;
    }
    else if ((x & 0x81) == 0x80)
    {
      return oldVal;
    }
    else if ((x & 0x81) == 0x81)
    {
      return!oldVal;
    }
    else
    {
      return false;
    }
public static booleangetFlag(int x)
Converts an int into a boolean. If the int is non-zero, it returns true. Otherwise it returns false.

param
x The int to convert.
return
A boolean whose value depends on x.

    if (x != 0)
    {
      return true;
    }
    else
    {
      return false;
    }
static voidunCompressCHPOperation(org.apache.poi.hwpf.usermodel.CharacterProperties oldCHP, org.apache.poi.hwpf.usermodel.CharacterProperties newCHP, org.apache.poi.hwpf.sprm.SprmOperation sprm)
Used in decompression of a chpx. This performs an operation defined by a single sprm.

param
oldCHP The base CharacterProperties.
param
newCHP The current CharacterProperties.
param
operand The operand defined by the sprm (See Word file format spec)
param
param The parameter defined by the sprm (See Word file format spec)
param
varParam The variable length parameter defined by the sprm. (See Word file format spec)
param
grpprl The entire chpx that this operation is a part of.
param
offset The offset in the grpprl of the next sprm
param
styleSheet The StyleSheet for this document.


    switch (sprm.getOperation())
    {
      case 0:
        newCHP.setFRMarkDel (getFlag (sprm.getOperand()));
        break;
      case 0x1:
        newCHP.setFRMark (getFlag (sprm.getOperand()));
        break;
      case 0x2:
        newCHP.setFFldVanish (getFlag (sprm.getOperand()));
        break;
      case 0x3:
        newCHP.setFcPic (sprm.getOperand());
        newCHP.setFSpec (true);
        break;
      case 0x4:
        newCHP.setIbstRMark ((short) sprm.getOperand());
        break;
      case 0x5:
        newCHP.setDttmRMark (new DateAndTime(sprm.getGrpprl(), sprm.getGrpprlOffset()));
        break;
      case 0x6:
        newCHP.setFData (getFlag (sprm.getOperand()));
        break;
      case 0x7:
        //don't care about this
        break;
      case 0x8:
        //short chsDiff = (short)((param & 0xff0000) >>> 16);
        int operand =sprm.getOperand();
        short chsDiff = (short) (operand & 0x0000ff);
        newCHP.setFChsDiff (getFlag (chsDiff));
        newCHP.setChse ((short) (operand & 0xffff00));
        break;
      case 0x9:
        newCHP.setFSpec (true);
        newCHP.setFtcSym ((short) LittleEndian.getShort (sprm.getGrpprl(), sprm.getGrpprlOffset()));
        newCHP.setXchSym ((short) LittleEndian.getShort (sprm.getGrpprl(), sprm.getGrpprlOffset() + 2));
        break;
      case 0xa:
        newCHP.setFOle2 (getFlag (sprm.getOperand()));
        break;
      case 0xb:

        // Obsolete
        break;
      case 0xc:
        newCHP.setIcoHighlight ((byte) sprm.getOperand());
        newCHP.setFHighlight (getFlag (sprm.getOperand()));
        break;
      case 0xd:

        //	undocumented
        break;
      case 0xe:
        newCHP.setFcObj (sprm.getOperand());
        break;
      case 0xf:

        // undocumented
        break;
      case 0x10:

        // undocumented
        break;

        // undocumented till 0x30

      case 0x11:
        break;
      case 0x12:
        break;
      case 0x13:
        break;
      case 0x14:
        break;
      case 0x15:
        break;
      case 0x16:
        break;
      case 0x17:
        break;
      case 0x18:
        break;
      case 0x19:
        break;
      case 0x1a:
        break;
      case 0x1b:
        break;
      case 0x1c:
        break;
      case 0x1d:
        break;
      case 0x1e:
        break;
      case 0x1f:
        break;
      case 0x20:
        break;
      case 0x21:
        break;
      case 0x22:
        break;
      case 0x23:
        break;
      case 0x24:
        break;
      case 0x25:
        break;
      case 0x26:
        break;
      case 0x27:
        break;
      case 0x28:
        break;
      case 0x29:
        break;
      case 0x2a:
        break;
      case 0x2b:
        break;
      case 0x2c:
        break;
      case 0x2d:
        break;
      case 0x2e:
        break;
      case 0x2f:
        break;
      case 0x30:
        newCHP.setIstd (sprm.getOperand());
        break;
      case 0x31:

        //permutation vector for fast saves, who cares!
        break;
      case 0x32:
        newCHP.setFBold (false);
        newCHP.setFItalic (false);
        newCHP.setFOutline (false);
        newCHP.setFStrike (false);
        newCHP.setFShadow (false);
        newCHP.setFSmallCaps (false);
        newCHP.setFCaps (false);
        newCHP.setFVanish (false);
        newCHP.setKul ((byte) 0);
        newCHP.setIco ((byte) 0);
        break;
      case 0x33:
        try
        {
          // preserve the fSpec setting from the original CHP
          boolean fSpec = newCHP.isFSpec ();
          newCHP = (CharacterProperties) oldCHP.clone ();
          newCHP.setFSpec (fSpec);

        }
        catch (CloneNotSupportedException e)
        {
          //do nothing
        }
        return;
      case 0x34:

        // undocumented
        break;
      case 0x35:
        newCHP.setFBold (getCHPFlag ((byte) sprm.getOperand(), oldCHP.isFBold ()));
        break;
      case 0x36:
        newCHP.setFItalic (getCHPFlag ((byte) sprm.getOperand(), oldCHP.isFItalic ()));
        break;
      case 0x37:
        newCHP.setFStrike (getCHPFlag ((byte) sprm.getOperand(), oldCHP.isFStrike ()));
        break;
      case 0x38:
        newCHP.setFOutline (getCHPFlag ((byte) sprm.getOperand(), oldCHP.isFOutline ()));
        break;
      case 0x39:
        newCHP.setFShadow (getCHPFlag ((byte) sprm.getOperand(), oldCHP.isFShadow ()));
        break;
      case 0x3a:
        newCHP.setFSmallCaps (getCHPFlag ((byte) sprm.getOperand(), oldCHP.isFSmallCaps ()));
        break;
      case 0x3b:
        newCHP.setFCaps (getCHPFlag ((byte) sprm.getOperand(), oldCHP.isFCaps ()));
        break;
      case 0x3c:
        newCHP.setFVanish (getCHPFlag ((byte) sprm.getOperand(), oldCHP.isFVanish ()));
        break;
      case 0x3d:
        newCHP.setFtcAscii ((short) sprm.getOperand());
        break;
      case 0x3e:
        newCHP.setKul ((byte) sprm.getOperand());
        break;
      case 0x3f:
        operand = sprm.getOperand();
        int hps = operand & 0xff;
        if (hps != 0)
        {
          newCHP.setHps (hps);
        }

        //byte cInc = (byte)(((byte)(param & 0xfe00) >>> 4) >> 1);
        byte cInc = (byte) ((operand & 0xff00) >>> 8);
        cInc = (byte) (cInc >>> 1);
        if (cInc != 0)
        {
          newCHP.setHps (Math.max (newCHP.getHps () + (cInc * 2), 2));
        }

        //byte hpsPos = (byte)((param & 0xff0000) >>> 8);
        byte hpsPos = (byte) ((operand & 0xff0000) >>> 16);
        if (hpsPos != 0x80)
        {
          newCHP.setHpsPos (hpsPos);
        }
        boolean fAdjust = (operand & 0x0100) > 0;
        if (fAdjust && hpsPos != 128 && hpsPos != 0 && oldCHP.getHpsPos () == 0)
        {
          newCHP.setHps (Math.max (newCHP.getHps () + ( -2), 2));
        }
        if (fAdjust && hpsPos == 0 && oldCHP.getHpsPos () != 0)
        {
          newCHP.setHps (Math.max (newCHP.getHps () + 2, 2));
        }
        break;
      case 0x40:
        newCHP.setDxaSpace (sprm.getOperand());
        break;
      case 0x41:
        newCHP.setLidDefault ((short) sprm.getOperand());
        break;
      case 0x42:
        newCHP.setIco ((byte) sprm.getOperand());
        break;
      case 0x43:
        newCHP.setHps (sprm.getOperand());
        break;
      case 0x44:
        byte hpsLvl = (byte) sprm.getOperand();
        newCHP.setHps (Math.max (newCHP.getHps () + (hpsLvl * 2), 2));
        break;
      case 0x45:
        newCHP.setHpsPos ((short) sprm.getOperand());
        break;
      case 0x46:
        if (sprm.getOperand() != 0)
        {
          if (oldCHP.getHpsPos () == 0)
          {
            newCHP.setHps (Math.max (newCHP.getHps () + ( -2), 2));
          }
        }
        else
        {
          if (oldCHP.getHpsPos () != 0)
          {
            newCHP.setHps (Math.max (newCHP.getHps () + 2, 2));
          }
        }
        break;
      case 0x47:
        /*CharacterProperties genCHP = new CharacterProperties ();
        genCHP.setFtcAscii (4);
        genCHP = (CharacterProperties) unCompressProperty (varParam, genCHP,
          styleSheet);
        CharacterProperties styleCHP = styleSheet.getStyleDescription (oldCHP.
          getBaseIstd ()).getCHP ();
        if (genCHP.isFBold () == newCHP.isFBold ())
        {
          newCHP.setFBold (styleCHP.isFBold ());
        }
        if (genCHP.isFItalic () == newCHP.isFItalic ())
        {
          newCHP.setFItalic (styleCHP.isFItalic ());
        }
        if (genCHP.isFSmallCaps () == newCHP.isFSmallCaps ())
        {
          newCHP.setFSmallCaps (styleCHP.isFSmallCaps ());
        }
        if (genCHP.isFVanish () == newCHP.isFVanish ())
        {
          newCHP.setFVanish (styleCHP.isFVanish ());
        }
        if (genCHP.isFStrike () == newCHP.isFStrike ())
        {
          newCHP.setFStrike (styleCHP.isFStrike ());
        }
        if (genCHP.isFCaps () == newCHP.isFCaps ())
        {
          newCHP.setFCaps (styleCHP.isFCaps ());
        }
        if (genCHP.getFtcAscii () == newCHP.getFtcAscii ())
        {
          newCHP.setFtcAscii (styleCHP.getFtcAscii ());
        }
        if (genCHP.getFtcFE () == newCHP.getFtcFE ())
        {
          newCHP.setFtcFE (styleCHP.getFtcFE ());
        }
        if (genCHP.getFtcOther () == newCHP.getFtcOther ())
        {
          newCHP.setFtcOther (styleCHP.getFtcOther ());
        }
        if (genCHP.getHps () == newCHP.getHps ())
        {
          newCHP.setHps (styleCHP.getHps ());
        }
        if (genCHP.getHpsPos () == newCHP.getHpsPos ())
        {
          newCHP.setHpsPos (styleCHP.getHpsPos ());
        }
        if (genCHP.getKul () == newCHP.getKul ())
        {
          newCHP.setKul (styleCHP.getKul ());
        }
        if (genCHP.getDxaSpace () == newCHP.getDxaSpace ())
        {
          newCHP.setDxaSpace (styleCHP.getDxaSpace ());
        }
        if (genCHP.getIco () == newCHP.getIco ())
        {
          newCHP.setIco (styleCHP.getIco ());
        }
        if (genCHP.getLidDefault () == newCHP.getLidDefault ())
        {
          newCHP.setLidDefault (styleCHP.getLidDefault ());
        }
        if (genCHP.getLidFE () == newCHP.getLidFE ())
        {
          newCHP.setLidFE (styleCHP.getLidFE ());
        }*/
        break;
      case 0x48:
        newCHP.setIss ((byte) sprm.getOperand());
        break;
      case 0x49:
        newCHP.setHps (LittleEndian.getShort (sprm.getGrpprl(), sprm.getGrpprlOffset()));
        break;
      case 0x4a:
        int increment = LittleEndian.getShort (sprm.getGrpprl(), sprm.getGrpprlOffset());
        newCHP.setHps (Math.max (newCHP.getHps () + increment, 8));
        break;
      case 0x4b:
        newCHP.setHpsKern (sprm.getOperand());
        break;
      case 0x4c:
//        unCompressCHPOperation (oldCHP, newCHP, 0x47, param, varParam,
//                                styleSheet, opSize);
        break;
      case 0x4d:
        float percentage = (float) sprm.getOperand() / 100.0f;
        int add = (int) ((float) percentage * (float) newCHP.getHps ());
        newCHP.setHps (newCHP.getHps () + add);
        break;
      case 0x4e:
        newCHP.setYsr ((byte) sprm.getOperand());
        break;
      case 0x4f:
        newCHP.setFtcAscii ((short) sprm.getOperand());
        break;
      case 0x50:
        newCHP.setFtcFE ((short) sprm.getOperand());
        break;
      case 0x51:
        newCHP.setFtcOther ((short) sprm.getOperand());
        break;
      case 0x52:

        // undocumented
        break;
      case 0x53:
        newCHP.setFDStrike (getFlag (sprm.getOperand()));
        break;
      case 0x54:
        newCHP.setFImprint (getFlag (sprm.getOperand()));
        break;
      case 0x55:
        newCHP.setFSpec (getFlag (sprm.getOperand()));
        break;
      case 0x56:
        newCHP.setFObj (getFlag (sprm.getOperand()));
        break;
      case 0x57:
        byte[] buf = sprm.getGrpprl();
        int offset = sprm.getGrpprlOffset();
        newCHP.setFPropMark (buf[offset]);
        newCHP.setIbstPropRMark ((short) LittleEndian.getShort (buf, offset + 1));
        newCHP.setDttmPropRMark (new DateAndTime(buf, offset +3));
        break;
      case 0x58:
        newCHP.setFEmboss (getFlag (sprm.getOperand()));
        break;
      case 0x59:
        newCHP.setSfxtText ((byte) sprm.getOperand());
        break;

        // undocumented till 0x61
      case 0x5a:
        break;
      case 0x5b:
        break;
      case 0x5c:
        break;
      case 0x5d:
        break;
      case 0x5e:
        break;
      case 0x5f:
        break;
      case 0x60:
        break;
      case 0x61:
        break;
      case 0x62:
        byte[] xstDispFldRMark = new byte[32];
        buf = sprm.getGrpprl();
        offset = sprm.getGrpprlOffset();
        newCHP.setFDispFldRMark (buf[offset]);
        newCHP.setIbstDispFldRMark ((short) LittleEndian.getShort (buf, offset + 1));
        newCHP.setDttmDispFldRMark (new DateAndTime(buf, offset + 3));
        System.arraycopy (buf, offset + 7, xstDispFldRMark, 0, 32);
        newCHP.setXstDispFldRMark (xstDispFldRMark);
        break;
      case 0x63:
        newCHP.setIbstRMarkDel ((short) sprm.getOperand());
        break;
      case 0x64:
        newCHP.setDttmRMarkDel (new DateAndTime(sprm.getGrpprl(), sprm.getGrpprlOffset()));
        break;
      case 0x65:
        newCHP.setBrc (new BorderCode(sprm.getGrpprl(), sprm.getGrpprlOffset()));
        break;
      case 0x66:
        newCHP.setShd (new ShadingDescriptor(sprm.getGrpprl(), sprm.getGrpprlOffset()));
        break;
      case 0x67:

        // Obsolete
        break;
      case 0x68:
        break;

        // undocumented till 0x6c

      case 0x69:
        break;
      case 0x6a:
        break;
      case 0x6b:
        break;
      case 0x6c:
        break;
      case 0x6d:
        newCHP.setLidDefault ((short) sprm.getOperand());
        break;
      case 0x6e:
        newCHP.setLidFE ((short) sprm.getOperand());
        break;
      case 0x6f:
        newCHP.setIdctHint ((byte) sprm.getOperand());
        break;
      case 0x70:
        newCHP.setIco24 (sprm.getOperand());
        break;
    }
public static org.apache.poi.hwpf.usermodel.CharacterPropertiesuncompressCHP(org.apache.poi.hwpf.usermodel.CharacterProperties parent, byte[] grpprl, int offset)

    CharacterProperties newProperties = null;
    try
    {
      newProperties = (CharacterProperties) parent.clone();
    }
    catch (CloneNotSupportedException cnse)
    {
      throw new RuntimeException("There is no way this exception should happen!!");
    }
    SprmIterator sprmIt = new SprmIterator(grpprl, offset);

    while (sprmIt.hasNext())
    {
      SprmOperation sprm = (SprmOperation)sprmIt.next();
      unCompressCHPOperation(parent, newProperties, sprm);
    }

    return newProperties;