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CountersTable.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
00003  *
00004  *
00005  * Copyright (c) 1999-2002 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
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 <xalanc/XSLT/XSLTDefinitions.hpp>
00069 
00070 
00071 
00072 #include <vector>
00073 
00074 
00075 
00076 #include "xalanc/XPath/MutableNodeRefList.hpp"
00077 
00078 
00079 
00080 XALAN_CPP_NAMESPACE_BEGIN
00081 
00082 
00083 
00084 class ElemNumber;
00085 class StylesheetExecutionContext;
00086 
00087 
00088 
00096 struct Counter
00097 {
00098     typedef unsigned long   CountType;
00099 
00100 #if defined(XALAN_NO_STD_NAMESPACE)
00101     typedef vector<XalanNode*>          NodeVectorType;
00102 #else
00103     typedef std::vector<XalanNode*>     NodeVectorType;
00104 #endif
00105 
00106 
00113     CountType           m_countNodesStartCount;
00114 
00118     NodeVectorType      m_countNodes;
00119 
00125     const XalanNode*    m_fromNode;
00126 
00130     const ElemNumber*   m_numberElem;
00131 
00135     Counter(
00136             const ElemNumber*   numberElem,
00137             NodeVectorType&     countNodes) :
00138         m_countNodesStartCount(0),
00139         m_countNodes(countNodes),
00140         m_fromNode(0),
00141         m_numberElem(numberElem)
00142     {
00143     }
00144 
00148     Counter(const ElemNumber*   numberElem = 0) :
00149         m_countNodesStartCount(0),
00150         m_countNodes(),
00151         m_fromNode(0),
00152         m_numberElem(numberElem)
00153     {
00154     }
00155 
00162     CountType
00163     getPreviouslyCounted(
00164             StylesheetExecutionContext&     support,
00165             const XalanNode*                node) const;
00166 
00170     XalanNode*
00171     getLast() const
00172     {
00173         return m_countNodes.empty() == true ? 0 : m_countNodes.back();
00174     }
00175 };
00176 
00177 
00178 
00186 class CountersTable
00187 {
00188 public:
00189 
00190     typedef Counter::CountType  CountType;
00191 
00192 #if defined(XALAN_NO_STD_NAMESPACE)
00193     typedef vector<Counter>                 CounterVectorType;
00194     typedef vector<CounterVectorType>       ElemCounterVectorVectorType;
00195 #else
00196     typedef std::vector<Counter>            CounterVectorType;
00197     typedef std::vector<CounterVectorType>  ElemCounterVectorVectorType;
00198 #endif
00199 
00200     typedef Counter::NodeVectorType         NodeVectorType;
00201 
00205     CountersTable(unsigned long     theSize = 0) :
00206         m_countersVector(),
00207         m_newFound()
00208     {
00209         resize(theSize);
00210     };
00211 
00212 
00220     void
00221     resize(unsigned long    theSize)
00222     {
00223         m_countersVector.resize(theSize);
00224     }
00225 
00235     CountType
00236     countNode(
00237             StylesheetExecutionContext&     executionContext,
00238             const ElemNumber&               numberElem,
00239             XalanNode*                      node);
00240 
00244     void
00245     reset()
00246     {
00247         m_newFound.clear();
00248 
00249         m_countersVector.clear();
00250     }
00251 
00252 private:
00253 
00257     ElemCounterVectorVectorType     m_countersVector;
00258 
00259 
00263     NodeVectorType                  m_newFound;
00264 };
00265 
00266 
00267 
00268 XALAN_CPP_NAMESPACE_END
00269 
00270 
00271 
00272 #endif  // !defined(XALAN_COUNTERSTABLE_HEADER_GUARD_1357924680)

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