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CountersTable.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
00003  *
00004  *
00005  * Copyright (c) 1999-2000 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
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
00043  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00044  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00045  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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
00054  * information on the Apache Software Foundation, please see
00055  * <http://www.apache.org/>.
00056  */
00057 #if !defined(XALAN_COUNTERSTABLE_HEADER_GUARD_1357924680)
00058 #define XALAN_COUNTERSTABLE_HEADER_GUARD_1357924680
00059 
00066 
00067 // Base include file.  Must be first.
00068 #include <XSLT/XSLTDefinitions.hpp>
00069 
00070 
00071 
00072 #include <map>
00073 #include <vector>
00074 
00075 
00076 
00077 #include "XPath/MutableNodeRefList.hpp"
00078 
00079 
00080 
00081 class ElemNumber;
00082 class StylesheetExecutionContext;
00083 
00084 
00085 
00093 struct Counter
00094 {
00095 #if defined(XALAN_NO_NAMESPACES)
00096     typedef vector<XalanNode*>          NodeVectorType;
00097 #else
00098     typedef std::vector<XalanNode*>     NodeVectorType;
00099 #endif
00106     int                 m_countNodesStartCount;
00107 
00111     NodeVectorType      m_countNodes;
00112 
00118     const XalanNode*    m_fromNode;
00119 
00123     const ElemNumber*   m_numberElem;
00124 
00128     Counter(
00129             const ElemNumber*   numberElem,
00130             NodeVectorType&     countNodes) :
00131         m_countNodesStartCount(0),
00132         m_countNodes(countNodes),
00133         m_fromNode(0),
00134         m_numberElem(numberElem)
00135     {
00136     }
00137 
00141     Counter(const ElemNumber*   numberElem = 0) :
00142         m_countNodesStartCount(0),
00143         m_countNodes(),
00144         m_fromNode(0),
00145         m_numberElem(numberElem)
00146     {
00147     }
00148 
00155     int
00156     getPreviouslyCounted(
00157             StylesheetExecutionContext&     support,
00158             const XalanNode*                node) const;
00159 
00163     XalanNode*
00164     getLast() const
00165     {
00166         return m_countNodes.empty() == true ? 0 : m_countNodes.back();
00167     }
00168 };
00169 
00170 
00171 
00179 class CountersTable
00180 {
00181 public:
00182 
00183 #if defined(XALAN_NO_NAMESPACES)
00184     typedef vector<Counter>                 CounterVectorType;
00185     typedef map<const ElemNumber*,
00186                 CounterVectorType,
00187                 less<const ElemNumber*> >   ElemToCounterVectorMapType;
00188 #else
00189     typedef std::vector<Counter>            CounterVectorType;
00190     typedef std::map<const ElemNumber*,
00191                      CounterVectorType>     ElemToCounterVectorMapType;
00192 #endif
00193 
00194     typedef Counter::NodeVectorType         NodeVectorType;
00195 
00199     CountersTable() :
00200         m_counterMap(),
00201         m_newFound()
00202     {
00203     };
00204 
00205 
00215     int
00216     countNode(
00217             StylesheetExecutionContext&     executionContext,
00218             const ElemNumber*               numberElem,
00219             XalanNode*                      node);
00220 
00224     void
00225     reset()
00226     {
00227         m_newFound.clear();
00228 
00229         m_counterMap.clear();
00230     }
00231 
00232 private:
00233 
00237     ElemToCounterVectorMapType  m_counterMap;
00238 
00239 
00243     NodeVectorType              m_newFound;
00244 };
00245 
00246 
00247 #endif  // !defined(XALAN_COUNTERSTABLE_HEADER_GUARD_1357924680)

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Xalan-C++ XSLT Processor Version 1.4
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