source: NonGTP/Xerces/xercesc/dom/impl/DOMNodeIteratorImpl.hpp @ 188

Revision 188, 6.0 KB checked in by mattausch, 19 years ago (diff)

added xercesc to support

Line 
1#ifndef DOMNodeIteratorImpl_HEADER_GUARD_
2#define DOMNodeIteratorImpl_HEADER_GUARD_
3
4/*
5 * The Apache Software License, Version 1.1
6 *
7 * Copyright (c) 2001-2002 The Apache Software Foundation.  All rights
8 * reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 *
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in
19 *    the documentation and/or other materials provided with the
20 *    distribution.
21 *
22 * 3. The end-user documentation included with the redistribution,
23 *    if any, must include the following acknowledgment:
24 *       "This product includes software developed by the
25 *        Apache Software Foundation (http://www.apache.org/)."
26 *    Alternately, this acknowledgment may appear in the software itself,
27 *    if and wherever such third-party acknowledgments normally appear.
28 *
29 * 4. The names "Xerces" and "Apache Software Foundation" must
30 *    not be used to endorse or promote products derived from this
31 *    software without prior written permission. For written
32 *    permission, please contact apache\@apache.org.
33 *
34 * 5. Products derived from this software may not be called "Apache",
35 *    nor may "Apache" appear in their name, without prior written
36 *    permission of the Apache Software Foundation.
37 *
38 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
39 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
40 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
41 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
42 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
43 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
44 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
45 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
46 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
47 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
48 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
49 * SUCH DAMAGE.
50 * ====================================================================
51 *
52 * This software consists of voluntary contributions made by many
53 * individuals on behalf of the Apache Software Foundation, and was
54 * originally based on software copyright (c) 2001, International
55 * Business Machines, Inc., http://www.ibm.com .  For more information
56 * on the Apache Software Foundation, please see
57 * <http://www.apache.org/>.
58 */
59
60/*
61 * $Id: DOMNodeIteratorImpl.hpp,v 1.4 2003/01/16 19:10:41 tng Exp $
62 */
63
64//
65//  This file is part of the internal implementation of the C++ XML DOM.
66//  It should NOT be included or used directly by application programs.
67//
68//  Applications should include the file <xercesc/dom/DOM.hpp> for the entire
69//  DOM API, or xercesc/dom/DOM*.hpp for individual DOM classes, where the class
70//  name is substituded for the *.
71//
72
73//////////////////////////////////////////////////////////////////////
74// DOMNodeIteratorImpl.hpp: interface for the DOMNodeIteratorImpl class.
75//
76//////////////////////////////////////////////////////////////////////
77
78#include <xercesc/dom/DOMNode.hpp>
79#include <xercesc/dom/DOMNodeIterator.hpp>
80
81XERCES_CPP_NAMESPACE_BEGIN
82
83class CDOM_EXPORT DOMNodeIteratorImpl : public DOMNodeIterator {
84    private:
85        //
86        // Data
87        //
88        // The root.
89        DOMNode* fRoot;
90
91        // The Document used to create this iterator
92        DOMDocument* fDocument;
93
94        // The whatToShow mask.
95        unsigned long fWhatToShow;
96
97        // The NodeFilter reference.
98        DOMNodeFilter* fNodeFilter;
99
100
101        // The expandEntity reference flag.
102        bool  fExpandEntityReferences;
103        bool fDetached;
104
105
106        //
107        // Iterator state - current node and direction.
108        //
109        // Note: The current node and direction are sufficient to implement
110        // the desired behaviour of the current pointer being _between_
111        // two nodes. The fCurrentNode is actually the last node returned,
112        // and the
113        // direction is whether the pointer is in front or behind this node.
114        // (usually akin to whether the node was returned via nextNode())
115        // (eg fForward = true) or previousNode() (eg fForward = false).
116        // The last Node returned.
117        DOMNode* fCurrentNode;
118
119        // The direction of the iterator on the fCurrentNode.
120        //  <pre>
121        //  nextNode()  ==      fForward = true;
122        //  previousNode() ==   fForward = false;
123        //  </pre>
124        bool fForward;
125
126    public:
127        virtual ~DOMNodeIteratorImpl ();
128        DOMNodeIteratorImpl (
129            DOMDocument* fDocument,
130            DOMNode* root,
131            unsigned long whatToShow,
132            DOMNodeFilter* nodeFilter,
133            bool expandEntityRef);
134
135        DOMNodeIteratorImpl ( const DOMNodeIteratorImpl& toCopy);
136        DOMNodeIteratorImpl& operator= (const DOMNodeIteratorImpl& other);
137
138        virtual DOMNode* getRoot ();                   
139        virtual unsigned long getWhatToShow ();
140        virtual DOMNodeFilter* getFilter ();
141        // Get the expandEntity reference flag.
142        virtual bool getExpandEntityReferences();
143
144        virtual DOMNode* nextNode ();
145        virtual DOMNode* previousNode ();
146        virtual void detach ();
147
148        virtual void release();
149        void removeNode (DOMNode* node);
150
151    private:
152        DOMNode* matchNodeOrParent (DOMNode* node);
153        DOMNode* nextNode (DOMNode* node, bool visitChildren);
154        DOMNode* previousNode (DOMNode* node);
155        bool acceptNode (DOMNode* node);
156
157};
158
159XERCES_CPP_NAMESPACE_END
160
161#endif
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