text: /*
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999-2001 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Xerces" and "Apache Software Foundation" must
   *    not be used to endorse or promote products derived from this
   *    software without prior written permission. For written
   *    permission, please contact apache\@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation, and was
   * originally based on software copyright (c) 1999, International
   * Business Machines, Inc., http://www.ibm.com .  For more information
   * on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  /*
   * $Log: CMBinaryOp.hpp,v $
   * Revision 1.1  2003/11/12 01:58:42  AnJingBin
   * *** empty log message ***
   *
   * Revision 1.1  2003/10/23 20:58:27  AnJingBin
   * *** empty log message ***
   *
   * Revision 1.1.1.1  2002/02/01 22:22:37  peiyongz
   * sane_include
   *
   * Revision 1.3  2001/05/11 13:27:16  tng
   * Copyright update.
   *
   * Revision 1.2  2001/02/16 14:58:57  tng
   * Schema: Update Makefile, configure files, project files, and include path in
   * certain cpp files because of the move of the common Content Model files.  By Pei Yong Zhang.
   *
   * Revision 1.1  2001/02/16 14:17:29  tng
   * Schema: Move the common Content Model files that are shared by DTD
   * and schema from 'DTD' folder to 'common' folder.  By Pei Yong Zhang.
   *
   * Revision 1.4  2000/03/02 19:55:37  roddey
   * This checkin includes many changes done while waiting for the
   * 1.1.0 code to be finished. I can't list them all here, but a list is
   * available elsewhere.
   *
   * Revision 1.3  2000/02/24 20:16:47  abagchi
   * Swat for removing Log from API docs
   *
   * Revision 1.2  2000/02/09 21:42:36  abagchi
   * Copyright swat
   *
   * Revision 1.1.1.1  1999/11/09 01:03:02  twl
   * Initial checkin
   *
   * Revision 1.2  1999/11/08 20:45:35  rahul
   * Swat for adding in Product name and CVS comment log variable.
   *
   */
  
  #if !defined(CMBINARYOP_HPP)
  #define CMBINARYOP_HPP
  
  #include <xercesc/util/XercesDefs.hpp>
  #include <xercesc/validators/common/CMNode.hpp>
  
  class CMStateSet;
  
  class CMBinaryOp : public CMNode
  {
  public :
      // -----------------------------------------------------------------------
      //  Constructors
      // -----------------------------------------------------------------------
      CMBinaryOp
      (
          const   ContentSpecNode::NodeTypes  type
          ,       CMNode* const               leftToAdopt
          ,       CMNode* const               rightToAdopt
      );
      ~CMBinaryOp();
  
  
      // -----------------------------------------------------------------------
      //  Getter methods
      // -----------------------------------------------------------------------
      const CMNode* getLeft() const;
      CMNode* getLeft();
      const CMNode* getRight() const;
      CMNode* getRight();
  
  
      // -----------------------------------------------------------------------
      //  Implementation of the public CMNode virtual interface
      // -----------------------------------------------------------------------
      bool isNullable() const;
  
  
  protected :
      // -----------------------------------------------------------------------
      //  Implementation of the protected CMNode virtual interface
      // -----------------------------------------------------------------------
      void calcFirstPos(CMStateSet& toSet) const;
      void calcLastPos(CMStateSet& toSet) const;
  
  
  private :
      // -----------------------------------------------------------------------
      //  Private data members
      //
      //  fLeftChild
      //  fRightChild
      //      These are the references to the two nodes that are on either side
      //      of this binary operation. We own them both.
      // -----------------------------------------------------------------------
      CMNode* fLeftChild;
      CMNode* fRightChild;
  };
  
  #endif
  