XMLNumber.hpp

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00001 /*
00002  * Licensed to the Apache Software Foundation (ASF) under one or more
00003  * contributor license agreements.  See the NOTICE file distributed with
00004  * this work for additional information regarding copyright ownership.
00005  * The ASF licenses this file to You under the Apache License, Version 2.0
00006  * (the "License"); you may not use this file except in compliance with
00007  * the License.  You may obtain a copy of the License at
00008  * 
00009  *      http://www.apache.org/licenses/LICENSE-2.0
00010  * 
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS,
00013  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 
00018 /*
00019  * $Id: XMLNumber.hpp 568078 2007-08-21 11:43:25Z amassari $
00020  */
00021 
00022 #ifndef XMLNUMBER_HPP
00023 #define XMLNUMBER_HPP
00024 
00025 #include <xercesc/internal/XSerializable.hpp>
00026 #include <xercesc/util/XMemory.hpp>
00027 
00028 XERCES_CPP_NAMESPACE_BEGIN
00029 
00030 class XMLUTIL_EXPORT XMLNumber : public XSerializable, public XMemory
00031 {
00032 public:
00033 
00034     enum
00035     {
00036         LESS_THAN     = -1,
00037         EQUAL         = 0,
00038         GREATER_THAN  = 1,
00039         INDETERMINATE = 2
00040     };
00041 
00042     enum NumberType {
00043         Float,
00044         Double,
00045         BigDecimal,
00046         DateTime,
00047         UnKnown
00048     };
00049 
00050     virtual ~XMLNumber();
00051 
00060     virtual XMLCh*     toString() const = 0;
00061     
00069     virtual XMLCh*     getRawData() const = 0;    
00070 
00078     virtual const XMLCh*     getFormattedString() const = 0;    
00079 
00088     virtual int        getSign() const = 0;
00089 
00090     /***
00091      * Support for Serialization/De-serialization
00092      ***/
00093     DECL_XSERIALIZABLE(XMLNumber)
00094 
00095     static XMLNumber*          loadNumber(XMLNumber::NumberType   numType
00096                                         , XSerializeEngine&       serEng);
00097 
00098 protected:
00099 
00100     XMLNumber();
00101     XMLNumber(const XMLNumber&);
00102 
00103 private:
00104     // -----------------------------------------------------------------------
00105     //  Unimplemented operators
00106     // -----------------------------------------------------------------------
00107     XMLNumber& operator=(const XMLNumber&);
00108 };
00109 
00110 XERCES_CPP_NAMESPACE_END
00111 
00112 #endif

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