File indexing completed on 2024-04-28 11:39:36

 /*
  * Copyright (C) 2004 Apple Computer, Inc.  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.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS 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 APPLE COMPUTER, INC. OR
  * 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.
  */
 
 #ifndef _PositionIterator_h_
 #define _PositionIterator_h_
 
 #include "dom_position.h"
 
 namespace DOM
 {
 
 class NodeImpl;
 class Position;
 
 class PositionIterator
 {
 public:
     PositionIterator() : m_current() {}
     PositionIterator(NodeImpl *node, long offset) : m_current(node, offset) {}
     PositionIterator(const Position &o) : m_current(o) {}
 
     Position current() const
     {
         return m_current;
     }
     Position previous()
     {
         return m_current = peekPrevious();
     }
     Position next()
     {
         return m_current = peekNext();
     }
     Position peekPrevious() const;
     Position peekNext() const;
 
     void setPosition(const Position &pos)
     {
         m_current = pos;
     }
 
     bool atStart() const;
     bool atEnd() const;
     bool isEmpty() const
     {
         return m_current.isEmpty();
     }
 
 private:
     Position m_current;
 };
 
 } // namespace DOM
 
 #endif // _PositionIterator_h_