/**
 * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
 * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
 * joint initiative of the Federal Chancellery Austria and Graz University of
 * Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 *
 * $Id: TrailerParseResult.java,v 1.1 2006/08/25 17:00:59 wprinz Exp $
 */
package at.knowcenter.wag.exactparser.parsing.results;

/**
 * The ParseResult of parsing the trailer.
 * 
 * @author wprinz
 */
public class TrailerParseResult extends ParseResult {

  public int contents_index = -1;
  public int contents_end_index = -1;
  
  public DictionaryParseResult dpr = null;
  
  public IndirectObjectReferenceParseResult info;

  public IndirectObjectReferenceParseResult root;
  
  /**
   * The content of the "/Size" entry.
   */
  public int size;

  /**
   * Tells, if this PDF footer has a predecessor (as specified by
   * the /Prev entry).
   */
  public boolean has_predecessor = false;

  /**
   * The index of the predecessor.
   * 
   * <p>
   * Only valid if has_predecessor is true.
   * </p>
   * <p>
   * Use getPrev and setPrev to access this member variable.
   * </p>
   * 
   * @see #getPrev()
   * @see #setPrev(int)
   */
  private int prev = -1;
  
  public int getPrev() {
    assert has_predecessor;
    return prev;
  }

  public void setPrev(int prev) {
    assert has_predecessor : "Set has_predecessor to true first.";
    this.prev = prev;
  }
  
  
  
  
  
}