How to use

getDataRemained

method

in

org.apache.tika.parser.chm.accessor.ChmItsfHeader

/**
 * Takes 8 bytes and reverses them
 * 
 * @param data
 * @param dest
 * @return
 * @throws TikaException 
 */
private long unmarshalUint64(byte[] data, long dest) throws TikaException{
  byte[] temp = new byte[8];
  int i, j;
  if (8 > this.getDataRemained())
    throw new TikaException("8 > this.getDataRemained()");
  for (i = 8, j = 7; i > 0; i--) {
    temp[j--] = data[this.getCurrentPlace()];
    this.setCurrentPlace(this.getCurrentPlace() + 1);
  }
  dest = new BigInteger(temp).longValue();
  this.setDataRemained(this.getDataRemained() - 8);
  return dest;
}

/**
 * Copies X bytes of source byte[] to the dest byte[]
 * 
 * @param data
 * @param dest
 * @param count
 * @return
 */
private byte[] unmarshalUuid(byte[] data, byte[] dest, int count) {
  System.arraycopy(data, this.getCurrentPlace(), dest, 0, count);
  this.setCurrentPlace(this.getCurrentPlace() + count);
  this.setDataRemained(this.getDataRemained() - count);
  return dest;
}

/**
 * Copies 4 first bytes of the byte[]
 * 
 * @param data
 * @param chmItsfHeader
 * @param count
 * @throws TikaException 
 */
private void unmarshalCharArray(byte[] data, ChmItsfHeader chmItsfHeader,
    int count) throws TikaException {
  ChmAssert.assertChmAccessorParameters(data, chmItsfHeader, count);
  System.arraycopy(data, 0, chmItsfHeader.signature, 0, count);
  this.setCurrentPlace(this.getCurrentPlace() + count);
  this.setDataRemained(this.getDataRemained() - count);
}

private int unmarshalInt32(byte[] data, int dest) throws TikaException{
  ChmAssert.assertByteArrayNotNull(data);
  if (4 > this.getDataRemained())
    throw new TikaException("4 > dataLenght");
  dest = (data[this.getCurrentPlace()] & 0xff)
      | (data[this.getCurrentPlace() + 1] & 0xff) << 8
      | (data[this.getCurrentPlace() + 2] & 0xff) << 16
      | (data[this.getCurrentPlace() + 3] & 0xff) << 24;
  this.setCurrentPlace(this.getCurrentPlace() + 4);
  this.setDataRemained(this.getDataRemained() - 4);
  return dest;
}

private long unmarshalUInt32(byte[] data, long dest) throws TikaException{
  ChmAssert.assertByteArrayNotNull(data);
  if (4 > getDataRemained())
    throw new TikaException("4 > dataLenght");
  dest = data[this.getCurrentPlace()]
      | data[this.getCurrentPlace() + 1] << 8
      | data[this.getCurrentPlace() + 2] << 16
      | data[this.getCurrentPlace() + 3] << 24;
  setDataRemained(this.getDataRemained() - 4);
  this.setCurrentPlace(this.getCurrentPlace() + 4);
  return dest;
}

/**
 * Takes 8 bytes and reverses them
 * 
 * @param data
 * @param dest
 * @return
 * @throws TikaException 
 */
private long unmarshalUint64(byte[] data, long dest) throws TikaException{
  byte[] temp = new byte[8];
  int i, j;
  if (8 > this.getDataRemained())
    throw new TikaException("8 > this.getDataRemained()");
  for (i = 8, j = 7; i > 0; i--) {
    temp[j--] = data[this.getCurrentPlace()];
    this.setCurrentPlace(this.getCurrentPlace() + 1);
  }
  dest = new BigInteger(temp).longValue();
  this.setDataRemained(this.getDataRemained() - 8);
  return dest;
}

/**
 * Takes 8 bytes and reverses them
 * 
 * @param data
 * @param dest
 * @return
 * @throws TikaException 
 */
private long unmarshalUint64(byte[] data, long dest) throws TikaException{
  byte[] temp = new byte[8];
  int i, j;
  if (8 > this.getDataRemained())
    throw new TikaException("8 > this.getDataRemained()");
  for (i = 8, j = 7; i > 0; i--) {
    temp[j--] = data[this.getCurrentPlace()];
    this.setCurrentPlace(this.getCurrentPlace() + 1);
  }
  dest = new BigInteger(temp).longValue();
  this.setDataRemained(this.getDataRemained() - 8);
  return dest;
}

if (chmItsfHeader.getDataRemained() >= 0)
  chmItsfHeader.setDataOffset(chmItsfHeader.getDirOffset()
      + chmItsfHeader.getDirLen());

/**
 * Copies X bytes of source byte[] to the dest byte[]
 * 
 * @param data
 * @param dest
 * @param count
 * @return
 */
private byte[] unmarshalUuid(byte[] data, byte[] dest, int count) {
  System.arraycopy(data, this.getCurrentPlace(), dest, 0, count);
  this.setCurrentPlace(this.getCurrentPlace() + count);
  this.setDataRemained(this.getDataRemained() - count);
  return dest;
}

/**
 * Copies 4 first bytes of the byte[]
 * 
 * @param data
 * @param chmItsfHeader
 * @param count
 * @throws TikaException 
 */
private void unmarshalCharArray(byte[] data, ChmItsfHeader chmItsfHeader,
    int count) throws TikaException {
  ChmAssert.assertChmAccessorParameters(data, chmItsfHeader, count);
  System.arraycopy(data, 0, chmItsfHeader.signature, 0, count);
  this.setCurrentPlace(this.getCurrentPlace() + count);
  this.setDataRemained(this.getDataRemained() - count);
}

/**
 * Copies X bytes of source byte[] to the dest byte[]
 * 
 * @param data
 * @param dest
 * @param count
 * @return
 */
private byte[] unmarshalUuid(byte[] data, byte[] dest, int count) {
  System.arraycopy(data, this.getCurrentPlace(), dest, 0, count);
  this.setCurrentPlace(this.getCurrentPlace() + count);
  this.setDataRemained(this.getDataRemained() - count);
  return dest;
}

/**
 * Copies 4 first bytes of the byte[]
 * 
 * @param data
 * @param chmItsfHeader
 * @param count
 * @throws TikaException 
 */
private void unmarshalCharArray(byte[] data, ChmItsfHeader chmItsfHeader,
    int count) throws TikaException {
  ChmAssert.assertChmAccessorParameters(data, chmItsfHeader, count);
  System.arraycopy(data, 0, chmItsfHeader.signature, 0, count);
  this.setCurrentPlace(this.getCurrentPlace() + count);
  this.setDataRemained(this.getDataRemained() - count);
}

private long unmarshalUInt32(byte[] data, long dest) throws TikaException{
  ChmAssert.assertByteArrayNotNull(data);
  if (4 > getDataRemained())
    throw new TikaException("4 > dataLenght");
  dest = data[this.getCurrentPlace()]
      | data[this.getCurrentPlace() + 1] << 8
      | data[this.getCurrentPlace() + 2] << 16
      | data[this.getCurrentPlace() + 3] << 24;
  setDataRemained(this.getDataRemained() - 4);
  this.setCurrentPlace(this.getCurrentPlace() + 4);
  return dest;
}

private int unmarshalInt32(byte[] data, int dest) throws TikaException{
  ChmAssert.assertByteArrayNotNull(data);
  if (4 > this.getDataRemained())
    throw new TikaException("4 > dataLenght");
  dest = (data[this.getCurrentPlace()] & 0xff)
      | (data[this.getCurrentPlace() + 1] & 0xff) << 8
      | (data[this.getCurrentPlace() + 2] & 0xff) << 16
      | (data[this.getCurrentPlace() + 3] & 0xff) << 24;
  this.setCurrentPlace(this.getCurrentPlace() + 4);
  this.setDataRemained(this.getDataRemained() - 4);
  return dest;
}

private int unmarshalInt32(byte[] data, int dest) throws TikaException{
  ChmAssert.assertByteArrayNotNull(data);
  if (4 > this.getDataRemained())
    throw new TikaException("4 > dataLenght");
  dest = (data[this.getCurrentPlace()] & 0xff)
      | (data[this.getCurrentPlace() + 1] & 0xff) << 8
      | (data[this.getCurrentPlace() + 2] & 0xff) << 16
      | (data[this.getCurrentPlace() + 3] & 0xff) << 24;
  this.setCurrentPlace(this.getCurrentPlace() + 4);
  this.setDataRemained(this.getDataRemained() - 4);
  return dest;
}

private long unmarshalUInt32(byte[] data, long dest) throws TikaException{
  ChmAssert.assertByteArrayNotNull(data);
  if (4 > getDataRemained())
    throw new TikaException("4 > dataLenght");
  dest = data[this.getCurrentPlace()]
      | data[this.getCurrentPlace() + 1] << 8
      | data[this.getCurrentPlace() + 2] << 16
      | data[this.getCurrentPlace() + 3] << 24;
  setDataRemained(this.getDataRemained() - 4);
  this.setCurrentPlace(this.getCurrentPlace() + 4);
  return dest;
}

if (chmItsfHeader.getDataRemained() >= 0)
  chmItsfHeader.setDataOffset(chmItsfHeader.getDirOffset()
      + chmItsfHeader.getDirLen());

if (chmItsfHeader.getDataRemained() >= 0)
  chmItsfHeader.setDataOffset(chmItsfHeader.getDirOffset()
      + chmItsfHeader.getDirLen());