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XSECXPathNodeList.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
00003  *
00004  *
00005  * Copyright (c) 1999 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 "<WebSig>" 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.
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00036  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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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) 2001, Institute for
00053  * Data Communications Systems, <http://www.nue.et-inf.uni-siegen.de/>.
00054  * The development of this software was partly funded by the European 
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00056  * For more information on the Apache Software Foundation, please see
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00058  */
00059 
00060 /*
00061  * XSEC
00062  *
00063  * XSECXPathNodeList := A structure to hold node lists from XPath 
00064  * evaluations
00065  *
00066  * Author(s): Berin Lautenbach
00067  *
00068  * $Id: XSECXPathNodeList.hpp,v 1.3 2003/02/22 08:47:26 blautenb Exp $
00069  *
00070  */
00071 
00072 #ifndef XSECXPATHNODELIST_INCLUDE
00073 #define XSECXPATHNODELIST_INCLUDE
00074 
00075 // XSEC
00076 #include <xsec/framework/XSECDefs.hpp>
00077 
00078 // Xerces
00079 
00080 XSEC_DECLARE_XERCES_CLASS(DOMNode);
00081 
00099 class DSIG_EXPORT XSECXPathNodeList {
00100 
00101 
00102 private:
00103 
00110     struct XSECXPathNodeListElt {
00111 
00112         const DOMNode           * element;  // Element referred to
00113 
00114         XSECXPathNodeListElt    * next,
00115                                 * last;     // For the list
00116 
00117     };
00118 
00119 public:
00120 
00123 
00124     XSECXPathNodeList();
00125 
00134     XSECXPathNodeList(const XSECXPathNodeList &other);
00135 
00136     ~XSECXPathNodeList();
00137 
00150     XSECXPathNodeList & operator= (const XSECXPathNodeList & toCopy);
00151 
00152 
00154 
00155 
00158 
00168     void addNode(const DOMNode *n);
00169 
00178     void removeNode(const DOMNode *n);
00179 
00185     void clear(void);
00186 
00188 
00191 
00198     bool hasNode(const DOMNode *n);
00199 
00208     const DOMNode * getFirstNode(void);
00209 
00218     const DOMNode *getNextNode(void);
00219 
00221 
00222 private:
00223 
00224     // Internal functions
00225     XSECXPathNodeListElt * findNode(const DOMNode * n);
00226 
00227     XSECXPathNodeListElt            * mp_first;         // First node in list
00228     XSECXPathNodeListElt            * mp_last;          // Last node in list
00229     XSECXPathNodeListElt            * mp_search;        // Where we are in the return
00230 
00231 };
00232 
00233 
00234 
00235 #endif /* XSECXPATHNODELIST_INCLUDE */
00236 

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