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XNodeSetNodeProxy.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
00003  *
00004  *
00005  * Copyright (c) 2001-2002 The Apache Software Foundation.  All rights 
00006  * reserved.
00007  *
00008  * Redistribution and use in source and binary forms, with or without
00009  * modification, are permitted provided that the following conditions
00010  * are met:
00011  *
00012  * 1. Redistributions of source code must retain the above copyright
00013  *    notice, this list of conditions and the following disclaimer. 
00014  *
00015  * 2. Redistributions in binary form must reproduce the above copyright
00016  *    notice, this list of conditions and the following disclaimer in
00017  *    the documentation and/or other materials provided with the
00018  *    distribution.
00019  *
00020  * 3. The end-user documentation included with the redistribution,
00021  *    if any, must include the following acknowledgment:  
00022  *       "This product includes software developed by the
00023  *        Apache Software Foundation (http://www.apache.org/)."
00024  *    Alternately, this acknowledgment may appear in the software itself,
00025  *    if and wherever such third-party acknowledgments normally appear.
00026  *
00027  * 4. The names "Xalan" and "Apache Software Foundation" must
00028  *    not be used to endorse or promote products derived from this
00029  *    software without prior written permission. For written 
00030  *    permission, please contact apache@apache.org.
00031  *
00032  * 5. Products derived from this software may not be called "Apache",
00033  *    nor may "Apache" appear in their name, without prior written
00034  *    permission of the Apache Software Foundation.
00035  *
00036  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
00037  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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00042  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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00046  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00047  * SUCH DAMAGE.
00048  * ====================================================================
00049  *
00050  * This software consists of voluntary contributions made by many
00051  * individuals on behalf of the Apache Software Foundation and was
00052  * originally based on software copyright (c) 1999, International
00053  * Business Machines, Inc., http://www.ibm.com.  For more
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00056  */
00057 #if !defined(XNODESETNODEPROXY_HEADER_GUARD_1357924680)
00058 #define XNODESETNODEPROXY_HEADER_GUARD_1357924680
00059 
00060 
00061 
00062 // Base include file.  Must be first.
00063 #include <xalanc/XPath/XPathDefinitions.hpp>
00064 
00065 
00066 
00067 // Base class header file.
00068 #include <xalanc/XPath/XNodeSetBase.hpp>
00069 
00070 
00071 
00072 #include <xalanc/XPath/NodeRefListBase.hpp>
00073 
00074 
00075 
00076 XALAN_CPP_NAMESPACE_BEGIN
00077 
00078 
00079 
00083 class XALAN_XPATH_EXPORT XNodeSetNodeProxy : public XNodeSetBase
00084 {
00085 public:
00086 
00090     XNodeSetNodeProxy(XalanNode*    theNode);
00091 
00097     XNodeSetNodeProxy(const XNodeSetNodeProxy&  source);
00098 
00099     virtual
00100     ~XNodeSetNodeProxy();
00101 
00102     // These methods are inherited from XObject ...
00103 
00104 #if defined(XALAN_NO_COVARIANT_RETURN_TYPE)
00105     virtual XObject*
00106 #else
00107     virtual XNodeSetNodeProxy*
00108 #endif
00109     clone(void*     theAddress = 0) const;
00110 
00111     virtual const NodeRefListBase&
00112     nodeset() const;
00113 
00114     virtual XalanNode*
00115     item(size_type  index) const;
00116 
00117     virtual size_type
00118     getLength() const;
00119 
00120     // A proxy class to implement NodeRefListBase...
00121     class Proxy : public NodeRefListBase
00122     {
00123     public:
00124 
00125         Proxy(XalanNode*    theNode);
00126 
00127         virtual
00128         ~Proxy();
00129 
00130         virtual XalanNode*
00131         item(size_type  index) const;
00132 
00133         virtual size_type
00134         getLength() const;
00135 
00136         virtual size_type
00137         indexOf(const XalanNode*    theNode) const;
00138 
00139         XalanNode*  m_node;
00140     };
00141 
00142 protected:
00143 
00144     virtual eObjectType
00145     getRealType() const;
00146 
00147 private:
00148 
00149     // Not implemented...
00150     XNodeSetNodeProxy&
00151     operator=(const XNodeSetNodeProxy&);
00152 
00153 
00154     // Data members...
00155     const Proxy     m_proxy;
00156 };
00157 
00158 
00159 
00160 XALAN_CPP_NAMESPACE_END
00161 
00162 
00163 
00164 #endif  // XNODESETNODEPROXY_HEADER_GUARD_1357924680

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