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XSECXPathNodeList.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
00003  *
00004  *
00005  * Copyright (c) 2002-2003 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.
00035  *
00036  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
00037  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00038  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00039  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
00040  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00041  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00042  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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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 
00055  * Commission in the <WebSig> project in the ISIS Programme. 
00056  * For more information on the Apache Software Foundation, please see
00057  * <http://www.apache.org/>.
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 1.5 2003/07/05 10:30:37 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 
00082 #define _XSEC_NODELIST_DEFAULT_SIZE 100
00083 
00101 class DSIG_EXPORT XSECXPathNodeList {
00102 
00103 public:
00104 
00107 
00108     XSECXPathNodeList(unsigned int initialSize = _XSEC_NODELIST_DEFAULT_SIZE);
00109 
00118     XSECXPathNodeList(const XSECXPathNodeList &other);
00119 
00120     ~XSECXPathNodeList();
00121 
00134     XSECXPathNodeList & operator= (const XSECXPathNodeList & toCopy);
00135 
00136 
00138 
00139 
00142 
00152     void addNode(const DOMNode *n);
00153 
00162     void removeNode(const DOMNode *n);
00163 
00169     void clear(void);
00170 
00172 
00175 
00182     bool hasNode(const DOMNode *n);
00183 
00192     const DOMNode * getFirstNode(void);
00193 
00202     const DOMNode *getNextNode(void);
00203 
00205 
00208 
00217     void intersect(const XSECXPathNodeList &toIntersect);
00218 
00220 
00221 private:
00222 
00223     // Internal functions
00224     unsigned int findNodeIndex(const DOMNode * n);
00225 
00226     const DOMNode                   ** mp_elts;         // The current list of elements
00227 
00228     unsigned int                    m_size;             // How big is the current array
00229     unsigned int                    m_num;              // Number of elements in the array
00230 
00231     unsigned int                    m_current;          // current point in list for getNextNode
00232 };
00233 
00234 
00235 
00236 #endif /* XSECXPATHNODELIST_INCLUDE */
00237 

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