KHtml

dom_positioniterator.h
1 /*
2  * Copyright (C) 2004 Apple Computer, Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  * notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  * notice, this list of conditions and the following disclaimer in the
11  * documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #ifndef _PositionIterator_h_
27 #define _PositionIterator_h_
28 
29 #include "dom_position.h"
30 
31 namespace DOM
32 {
33 
34 class NodeImpl;
35 class Position;
36 
37 class PositionIterator
38 {
39 public:
40  PositionIterator() : m_current() {}
41  PositionIterator(NodeImpl *node, long offset) : m_current(node, offset) {}
42  PositionIterator(const Position &o) : m_current(o) {}
43 
44  Position current() const
45  {
46  return m_current;
47  }
48  Position previous()
49  {
50  return m_current = peekPrevious();
51  }
52  Position next()
53  {
54  return m_current = peekNext();
55  }
56  Position peekPrevious() const;
57  Position peekNext() const;
58 
59  void setPosition(const Position &pos)
60  {
61  m_current = pos;
62  }
63 
64  bool atStart() const;
65  bool atEnd() const;
66  bool isEmpty() const
67  {
68  return m_current.isEmpty();
69  }
70 
71 private:
72  Position m_current;
73 };
74 
75 } // namespace DOM
76 
77 #endif // _PositionIterator_h_
MESSAGECORE_EXPORT KMime::Content * next(KMime::Content *node, bool allowChildren=true)
This library provides a full-featured HTML parser and widget.
This file is part of the KDE documentation.
Documentation copyright © 1996-2021 The KDE developers.
Generated on Tue Oct 26 2021 22:48:01 by doxygen 1.8.11 written by Dimitri van Heesch, © 1997-2006

KDE's Doxygen guidelines are available online.