XMLNumber.hpp

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * $Id: XMLNumber.hpp 527149 2007-04-10 14:56:39Z amassari $
 */

#if !defined(XERCESC_INCLUDE_GUARD_XMLNUMBER_HPP)
#define XERCESC_INCLUDE_GUARD_XMLNUMBER_HPP

#include <xercesc/internal/XSerializable.hpp>
#include <xercesc/util/XMemory.hpp>

XERCES_CPP_NAMESPACE_BEGIN

class XMLUTIL_EXPORT XMLNumber : public XSerializable, public XMemory
{
public:

    enum
    {
        LESS_THAN     = -1,
        EQUAL         = 0,
        GREATER_THAN  = 1,
        INDETERMINATE = 2
    };

    enum NumberType {
        Float,
        Double,
        BigDecimal,
        DateTime,
        UnKnown
    };

    virtual ~XMLNumber();
    
    virtual XMLCh*     getRawData() const = 0;    

    virtual const XMLCh*     getFormattedString() const = 0;    

    virtual int        getSign() const = 0;

    /***
     * Support for Serialization/De-serialization
     ***/
    DECL_XSERIALIZABLE(XMLNumber)

    static XMLNumber*          loadNumber(XMLNumber::NumberType   numType
                                        , XSerializeEngine&       serEng);

protected:

    XMLNumber();
    XMLNumber(const XMLNumber&);

private:
    // -----------------------------------------------------------------------
    //  Unimplemented operators
    // -----------------------------------------------------------------------
    XMLNumber& operator=(const XMLNumber&);
};

XERCES_CPP_NAMESPACE_END

#endif