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The Xalan C++ XSLT Processor Version 1.8

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XNull.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(XNULL_HEADER_GUARD_1357924680) 00017 #define XNULL_HEADER_GUARD_1357924680 00018 00019 00020 00021 // Base header file. Must be first. 00022 #include <xalanc/XPath/XPathDefinitions.hpp> 00023 00024 00025 00026 // Base class header file. 00027 #include <xalanc/XPath/XObject.hpp> 00028 00029 00030 00031 XALAN_CPP_NAMESPACE_BEGIN 00032 00033 00034 00035 class XALAN_XPATH_EXPORT XNull : public XObject 00036 { 00037 public: 00038 00039 typedef XObject ParentType; 00040 00045 explicit 00046 XNull(); 00047 00054 XNull(const XNull& source); 00055 00056 virtual 00057 ~XNull(); 00058 00059 // These methods are inherited from XObject ... 00060 00061 #if defined(XALAN_NO_COVARIANT_RETURN_TYPE) 00062 virtual XObject* 00063 #else 00064 virtual XNull* 00065 #endif 00066 clone(void* theAddress = 0) const; 00067 00068 virtual XalanDOMString 00069 getTypeString() const; 00070 00071 virtual double 00072 num() const; 00073 00074 virtual bool 00075 boolean() const; 00076 00077 virtual const XalanDOMString& 00078 str() const; 00079 00080 virtual void 00081 str( 00082 FormatterListener& formatterListener, 00083 MemberFunctionPtr function) const; 00084 00085 #if !defined(XALAN_NO_USING_DECLARATION) 00086 using ParentType::str; 00087 #endif 00088 00089 virtual double 00090 stringLength() const; 00091 00092 virtual void 00093 ProcessXObjectTypeCallback(XObjectTypeCallback& theCallbackObject); 00094 00095 virtual void 00096 ProcessXObjectTypeCallback(XObjectTypeCallback& theCallbackObject) const; 00097 00098 private: 00099 00100 // not implemented 00101 XNull& operator=(const XNull &); 00102 }; 00103 00104 00105 00106 XALAN_CPP_NAMESPACE_END 00107 00108 00109 00110 #endif // XNULL_HEADER_GUARD_1357924680

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Xalan-C++ XSLT Processor Version 1.8
Copyright © 1999-2004 The Apache Software Foundation. All Rights Reserved.