XMLNumber.hpp Source File

00001 /*
00002  * Copyright 2001-2004 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 
00017 /*
00018  * $Id: XMLNumber.hpp,v 1.14 2004/09/08 13:56:24 peiyongz Exp $
00019  * $Log: XMLNumber.hpp,v $
00020  * Revision 1.14  2004/09/08 13:56:24  peiyongz
00021  * Apache License Version 2.0
00022  *
00023  * Revision 1.13  2004/01/29 11:48:47  cargilld
00024  * Code cleanup changes to get rid of various compiler diagnostic messages.
00025  *
00026  * Revision 1.12  2004/01/13 19:50:56  peiyongz
00027  * remove parseContent()
00028  *
00029  * Revision 1.10  2003/10/17 21:10:55  peiyongz
00030  * loadNumber() added
00031  *
00032  * Revision 1.9  2003/10/02 19:18:12  peiyongz
00033  * enum NumberType
00034  *
00035  * Revision 1.8  2003/09/23 18:16:07  peiyongz
00036  * Inplementation for Serialization/Deserialization
00037  *
00038  * Revision 1.7  2003/05/15 19:07:46  knoaman
00039  * Partial implementation of the configurable memory manager.
00040  *
00041  * Revision 1.6  2003/05/09 15:13:46  peiyongz
00042  * Deprecated toString() in XMLNumber family
00043  *
00044  * Revision 1.5  2003/03/10 20:55:58  peiyongz
00045  * Schema Errata E2-40 double/float
00046  *
00047  * Revision 1.4  2003/02/02 23:54:43  peiyongz
00048  * getFormattedString() added to return original and converted value.
00049  *
00050  * Revision 1.3  2003/01/30 21:55:22  tng
00051  * Performance: create getRawData which is similar to toString but return the internal data directly, user is not required to delete the returned memory.
00052  *
00053  * Revision 1.2  2002/11/04 15:22:05  tng
00054  * C++ Namespace Support.
00055  *
00056  * Revision 1.1.1.1  2002/02/01 22:22:15  peiyongz
00057  * sane_include
00058  *
00059  * Revision 1.2  2001/10/09 21:28:28  peiyongz
00060  * explicit ctor/dtor defined.
00061  *
00062  * Revision 1.1  2001/09/27 14:54:03  peiyongz
00063  * DTV Reorganization: new class
00064  *
00065  */
00066 
00067 #ifndef XMLNUMBER_HPP
00068 #define XMLNUMBER_HPP
00069 
00070 #include <xercesc/internal/XSerializable.hpp>
00071 #include <xercesc/util/XMemory.hpp>
00072 
00073 XERCES_CPP_NAMESPACE_BEGIN
00074 
00075 class  XMLNumber : public XSerializable, public XMemory
00076 {
00077 public:
00078 
00079     enum
00080     {
00081         LESS_THAN     = -1,
00082         EQUAL         = 0,
00083         GREATER_THAN  = 1,
00084         INDETERMINATE = 2
00085     };
00086 
00087     enum NumberType {
00088         Float,
00089         Double,
00090         BigDecimal,
00091         DateTime,
00092         UnKnown
00093     };
00094 
00095     virtual ~XMLNumber();
00096 
00105     virtual XMLCh*     toString() const = 0;
00106     
00114     virtual XMLCh*     getRawData() const = 0;    
00115 
00123     virtual const XMLCh*     getFormattedString() const = 0;    
00124 
00133     virtual int        getSign() const = 0;
00134 
00135     /***
00136      * Support for Serialization/De-serialization
00137      ***/
00138     DECL_XSERIALIZABLE(XMLNumber)
00139 
00140     static XMLNumber*          loadNumber(XMLNumber::NumberType   numType
00141                                         , XSerializeEngine&       serEng);
00142 
00143 protected:
00144 
00145     XMLNumber();
00146 
00147 private:
00148     // -----------------------------------------------------------------------
00149     //  Unimplemented constructors and operators
00150     // -----------------------------------------------------------------------
00151     XMLNumber(const XMLNumber&);
00152     XMLNumber& operator=(const XMLNumber&);
00153 };
00154 
00155 XERCES_CPP_NAMESPACE_END
00156 
00157 #endif