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ElemForEach.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 "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_ELEMFOREACH_HEADER_GUARD)
00058 #define XALAN_ELEMFOREACH_HEADER_GUARD 
00059 
00060 
00061 
00062 // Base include file.  Must be first.
00063 #include "XSLTDefinitions.hpp"
00064 
00065 
00066 
00067 #include <vector>
00068 
00069 
00070 
00071 // Base class header file.
00072 #include "ElemTemplateElement.hpp"
00073 
00074 
00075 
00076 #include <XPath/NodeRefListBase.hpp>
00077 
00078 
00079 
00080 #include "Constants.hpp"
00081 
00082 
00083 
00084 class ElemSort;
00085 class ElemTemplate;
00086 class NodeSorter;
00087 class XPath;
00088 
00089 
00090 
00091 class ElemForEach: public ElemTemplateElement
00092 {
00093 public:
00094 
00104     ElemForEach(
00105             StylesheetConstructionContext&  constructionContext,
00106             Stylesheet&                     stylesheetTree,
00107             const AttributeList&            atts,
00108             int                             lineNumber,
00109             int                             columnNumber);
00110 
00111     virtual
00112     ~ElemForEach();
00113 
00114 #if defined(XALAN_NO_NAMESPACES)
00115     typedef vector<ElemSort*>       SortElemsVectorType;
00116 #else
00117     typedef std::vector<ElemSort*>  SortElemsVectorType;
00118 #endif
00119 
00120 
00121     const SortElemsVectorType&
00122     getSortElems() const
00123     {
00124         return m_sortElems;
00125     }
00126 
00127     SortElemsVectorType&
00128     getSortElems()
00129     {
00130         return m_sortElems;
00131     }
00132 
00133     const XPath*
00134     getSelectExpression() const
00135     {
00136         return m_selectPattern;
00137     }
00138 
00139     // These methods are inherited from ElemTemplateElement ...
00140 
00141     virtual const XalanDOMString&
00142     getElementName() const;
00143 
00144     virtual void
00145     postConstruction(
00146             StylesheetConstructionContext&  constructionContext,
00147             const NamespacesHandler&        theParentHandler);
00148 
00149     virtual void
00150     execute(StylesheetExecutionContext&     executionContext) const;
00151 
00152 protected:
00153 
00163     ElemForEach(
00164             StylesheetConstructionContext&  constructionContext,
00165             Stylesheet&                     stylesheetTree,
00166             int                             lineNumber,
00167             int                             columnNumber,
00168             int                             xslToken);
00169 
00179     void
00180     transformSelectedChildren(
00181             StylesheetExecutionContext&     executionContext,
00182             const ElemTemplateElement*      theTemplate,
00183             XalanNode*                      sourceNodeContext,
00184             int                             selectStackFrameIndex) const;
00185 
00195     void
00196     transformSelectedChildren(
00197             StylesheetExecutionContext&     executionContext,
00198             const ElemTemplateElement*      theTemplate,
00199             XalanNode*                      sourceNodeContext,
00200             NodeSorter*                     sorter,
00201             int                             selectStackFrameIndex) const;
00202 
00211     void
00212     transformSelectedChildren(
00213             StylesheetExecutionContext&     executionContext,
00214             const ElemTemplateElement*      theTemplate,
00215             const NodeRefListBase&          sourceNodes,
00216             NodeRefListBase::size_type      sourceNodesCount) const;
00217 
00218     const XPath*            m_selectPattern;
00219 
00220 private:
00221 
00222     SortElemsVectorType             m_sortElems;
00223 
00224     SortElemsVectorType::size_type  m_sortElemsCount;
00225 
00226 };
00227 
00228 
00229 
00230 #endif  // XALAN_ELEMFOREACH_HEADER_GUARD

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