/*

 * 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: BitOps.hpp 568078 2007-08-21 11:43:25Z amassari $

 */

#if !defined(BITOPS_HPP)

#define BITOPS_HPP

#include <xercesc/util/XercesDefs.hpp>

XERCES_CPP_NAMESPACE_BEGIN

class XMLUTIL_EXPORT BitOps

{

public:

    // -----------------------------------------------------------------------

    //  Public static methods

    // -----------------------------------------------------------------------

    static inline XMLCh swapBytes(const XMLUInt16 toSwap)

    {

        //The mask is required to overcome a compiler error on solaris

        return XMLCh(((toSwap >> 8) | (toSwap << 8)) & 0xFFFF);

    }

    static inline unsigned int swapBytes(const XMLUInt32 toSwap)

    {

        return

        (

            (toSwap >> 24)

            | (toSwap << 24)

            | ((toSwap & 0xFF00) << 8)

            | ((toSwap & 0xFF0000) >> 8)

        );

    }

protected :

    // -----------------------------------------------------------------------

    //  Unimplemented constructors and operators.  (These ought to be private,

    //                                  but that produces spurious compiler warnings

    //                                  on some platforms.)

    // -----------------------------------------------------------------------

    BitOps();

    BitOps(const BitOps&);

    BitOps& operator=(const BitOps&);

};

XERCES_CPP_NAMESPACE_END

#endif