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ElemVariable.hpp

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00001 /*
00002  * Copyright 1999-2004 The Apache Software Foundation.
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 #if !defined(XALAN_ELEMVARIABLE_HEADER_GUARD)
00017 #define XALAN_ELEMVARIABLE_HEADER_GUARD 
00018 
00026 
00027 
00028 // Base include file.  Must be first.
00029 #include "XSLTDefinitions.hpp"
00030 
00031 // Base class header file.
00032 #include "ElemTemplateElement.hpp"
00033 
00034 
00035 
00036 #include <xalanc/XPath/XObject.hpp>
00037 
00038 
00039 
00040 #include <xalanc/XSLT/Constants.hpp>
00041 
00042 
00043 
00044 XALAN_CPP_NAMESPACE_BEGIN
00045 
00046 
00047 
00048 class XPath;
00049 
00050 
00051 
00052 class ElemVariable : public ElemTemplateElement
00053 {
00054 public:
00055 
00056     typedef ElemTemplateElement     ParentType;
00057 
00067     ElemVariable(
00068             StylesheetConstructionContext&  constructionContext,
00069             Stylesheet&                     stylesheetTree,
00070             const AttributeListType&        atts,
00071             int                             lineNumber,
00072             int                             columnNumber);
00073 
00074     virtual
00075     ~ElemVariable();
00076 
00082     bool
00083     isTopLevel() const
00084     {
00085         return m_isTopLevel;
00086     }
00087 
00088     // These methods are inherited from ElemTemplateElement ...
00089     
00090     virtual const XalanQName&
00091     getNameAttribute() const;
00092 
00093     virtual void
00094     addToStylesheet(
00095             StylesheetConstructionContext&  constructionContext,
00096             Stylesheet&                     theStylesheet);
00097 
00098     virtual const XalanDOMString&
00099     getElementName() const;
00100 
00101 #if !defined(XALAN_RECURSIVE_STYLESHEET_EXECUTION)
00102     const ElemTemplateElement*
00103     startElement(StylesheetExecutionContext&    executionContext) const;
00104 
00105     void
00106     endElement(StylesheetExecutionContext&      executionContext) const;
00107 #else
00108     virtual void
00109     execute(StylesheetExecutionContext&     executionContext) const;
00110 #endif
00111 
00112     const XObjectPtr
00113     getValue(
00114             StylesheetExecutionContext&     executionContext,
00115             XalanNode*                      sourceNode) const;
00116 
00117     virtual void
00118     setParentNodeElem(ElemTemplateElement*      theParent);
00119 
00120     virtual const XPath*
00121     getXPath(unsigned int   index = 0) const;
00122 
00123 protected:
00124 
00134     ElemVariable(
00135             StylesheetConstructionContext&  constructionContext,
00136             Stylesheet&                     stylesheetTree,
00137             const AttributeListType&        atts,
00138             int                             lineNumber,
00139             int                             columnNumber,
00140             int                             xslToken);
00141 
00149     void
00150     init(
00151             StylesheetConstructionContext&  constructionContext,
00152             Stylesheet&                     stylesheetTree,
00153             const AttributeListType&        atts);
00154 
00155 
00156     const XalanQName*   m_qname;
00157 
00158 private:
00159 
00160     // not implemented
00161     ElemVariable(const ElemVariable &);
00162 
00163     ElemVariable&
00164     operator=(const ElemVariable &);
00165 
00166     const XPath*    m_selectPattern;
00167 
00168     bool            m_isTopLevel;
00169 
00170     XObjectPtr      m_value;
00171 
00172     XalanNode*      m_varContext;
00173 };
00174 
00175 
00176 
00177 XALAN_CPP_NAMESPACE_END
00178 
00179 
00180 
00181 #endif  // XALAN_ELEMVARIABLE_HEADER_GUARD

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Copyright © 1999-2004 The Apache Software Foundation. All Rights Reserved.

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