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XNumber.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(XNUMBER_HEADER_GUARD_1357924680)
00017 #define XNUMBER_HEADER_GUARD_1357924680
00018 
00019 
00020 
00021 // Base header file.  Must be first.
00022 #include <xalanc/XPath/XPathDefinitions.hpp>
00023 
00024 
00025 
00026 #include <xalanc/XalanDOM/XalanDOMString.hpp>
00027 
00028 
00029 
00030 // Base class header file.
00031 #include <xalanc/XPath/XNumberBase.hpp>
00032 
00033 
00034 
00035 XALAN_CPP_NAMESPACE_BEGIN
00036 
00037 
00038 
00039 class XALAN_XPATH_EXPORT XNumber : public XNumberBase
00040 {
00041 public:
00042 
00048     XNumber(double  val);
00049 
00050     XNumber(const XNumber&  source);
00051 
00052     virtual
00053     ~XNumber();
00054 
00055     // These methods are inherited from XObject ...
00056 
00057 #if defined(XALAN_NO_COVARIANT_RETURN_TYPE)
00058     virtual XObject*
00059 #else
00060     virtual XNumber*
00061 #endif
00062     clone(void*     theAddress = 0) const;
00063 
00064     virtual double
00065     num() const;
00066 
00067     virtual const XalanDOMString&
00068     str() const;
00069 
00070     virtual void
00071     str(
00072             FormatterListener&  formatterListener,
00073             MemberFunctionPtr   function) const;
00074 
00075     virtual void
00076     str(XalanDOMString& theBuffer) const;
00077 
00078     virtual double
00079     stringLength() const;
00080 
00081     // These methods are new to XNumber...
00082 
00088     void
00089     set(double  theValue);
00090 
00091 private:
00092 
00093     // Value of the number being represented.
00094     double                  m_value;
00095 
00096     mutable XalanDOMString  m_cachedStringValue;
00097 };
00098 
00099 
00100 
00101 XALAN_CPP_NAMESPACE_END
00102 
00103 
00104 
00105 #endif  // XNUMBER_HEADER_GUARD_1357924680

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