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* Copyright (c) 1999-2000 The Apache Software Foundation. All rights
* reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. The end-user documentation included with the redistribution,
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
* 4. The names "Xerces" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation, and was
* originally based on software copyright (c) 1999, International
* Business Machines, Inc., http://www.ibm.com . For more information
* on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
/*
* $Log$
* Revision 1.3 2003/03/07 18:11:54 tng
* Return a reference instead of void for operator=
*
* Revision 1.2 2002/11/04 15:22:03 tng
* C++ Namespace Support.
*
* Revision 1.1.1.1 2002/02/01 22:22:10 peiyongz
* sane_include
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*
* Revision 1.7 2000/09/06 00:24:15 andyh
* Clean up misc compiler warnings
*
* Revision 1.6 2000/03/02 19:54:38 roddey
* This checkin includes many changes done while waiting for the
* 1.1.0 code to be finished. I can't list them all here, but a list is
* available elsewhere.
*
* Revision 1.5 2000/02/24 20:05:24 abagchi
* Swat for removing Log from API docs
*
* Revision 1.4 2000/02/17 22:49:17 aruna1
* Added comment on mask
*
* Revision 1.3 2000/02/17 22:32:45 aruna1
* Masking changes made due to swap of 16bit to 32 bit
*
* Revision 1.2 2000/02/06 07:48:01 rahulj
* Year 2K copyright swat.
*
* Revision 1.1.1.1 1999/11/09 01:04:08 twl
* Initial checkin
*
* Revision 1.3 1999/11/08 20:45:05 rahul
* Swat for adding in Product name and CVS comment log variable.
*
*/
#if !defined(BITOPS_HPP)
#define BITOPS_HPP
#include <xercesc/util/XercesDefs.hpp>
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&);