00001 /*
00002 * The Apache Software License, Version 1.1
00003 *
00004 * Copyright (c) 1999-2000 The Apache Software Foundation. All rights
00005 * reserved.
00006 *
00007 * Redistribution and use in source and binary forms, with or without
00008 * modification, are permitted provided that the following conditions
00009 * are met:
00010 *
00011 * 1. Redistributions of source code must retain the above copyright
00012 * notice, this list of conditions and the following disclaimer.
00013 *
00014 * 2. Redistributions in binary form must reproduce the above copyright
00015 * notice, this list of conditions and the following disclaimer in
00016 * the documentation and/or other materials provided with the
00017 * distribution.
00018 *
00019 * 3. The end-user documentation included with the redistribution,
00020 * if any, must include the following acknowledgment:
00021 * "This product includes software developed by the
00022 * Apache Software Foundation (http://www.apache.org/)."
00023 * Alternately, this acknowledgment may appear in the software itself,
00024 * if and wherever such third-party acknowledgments normally appear.
00025 *
00026 * 4. The names "Xerces" and "Apache Software Foundation" must
00027 * not be used to endorse or promote products derived from this
00028 * software without prior written permission. For written
00029 * permission, please contact apache\@apache.org.
00030 *
00031 * 5. Products derived from this software may not be called "Apache",
00032 * nor may "Apache" appear in their name, without prior written
00033 * permission of the Apache Software Foundation.
00034 *
00035 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
00036 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00037 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00038 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
00039 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00040 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00041 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
00042 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00043 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00044 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
00045 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00046 * SUCH DAMAGE.
00047 * ====================================================================
00048 *
00049 * This software consists of voluntary contributions made by many
00050 * individuals on behalf of the Apache Software Foundation, and was
00051 * originally based on software copyright (c) 1999, International
00052 * Business Machines, Inc., http://www.ibm.com . For more information
00053 * on the Apache Software Foundation, please see
00054 * <http://www.apache.org/>.
00055 */
00056
00057 /*
00058 * $Log: BitOps.hpp,v $
00059 * Revision 1.6 2000/03/02 19:54:38 roddey
00060 * This checkin includes many changes done while waiting for the
00061 * 1.1.0 code to be finished. I can't list them all here, but a list is
00062 * available elsewhere.
00063 *
00064 * Revision 1.5 2000/02/24 20:05:24 abagchi
00065 * Swat for removing Log from API docs
00066 *
00067 * Revision 1.4 2000/02/17 22:49:17 aruna1
00068 * Added comment on mask
00069 *
00070 * Revision 1.3 2000/02/17 22:32:45 aruna1
00071 * Masking changes made due to swap of 16bit to 32 bit
00072 *
00073 * Revision 1.2 2000/02/06 07:48:01 rahulj
00074 * Year 2K copyright swat.
00075 *
00076 * Revision 1.1.1.1 1999/11/09 01:04:08 twl
00077 * Initial checkin
00078 *
00079 * Revision 1.3 1999/11/08 20:45:05 rahul
00080 * Swat for adding in Product name and CVS comment log variable.
00081 *
00082 */
00083
00084 #if !defined(BITOPS_HPP)
00085 #define BITOPS_HPP
00086
00087 #include <util/XercesDefs.hpp>
00088
00089
00090 class BitOps
00091 {
00092 public:
00093 // -----------------------------------------------------------------------
00094 // Public static methods
00095 // -----------------------------------------------------------------------
00096 static inline XMLCh swapBytes(const XMLUInt16 toSwap)
00097 {
00098 //The mask is required to overcome a compiler error on solaris
00099 return XMLCh(((toSwap >> 8) | (toSwap << 8)) & 0xFFFF);
00100 }
00101
00102 static inline unsigned int swapBytes(const XMLUInt32 toSwap)
00103 {
00104 return
00105 (
00106 (toSwap >> 24)
00107 | (toSwap << 24)
00108 | ((toSwap & 0xFF00) << 8)
00109 | ((toSwap & 0xFF0000) >> 8)
00110 );
00111 }
00112
00113
00114
00115 private :
00116 // -----------------------------------------------------------------------
00117 // Unimplemented constructors and operators
00118 // -----------------------------------------------------------------------
00119 BitOps();
00120 BitOps(const BitOps&);
00121 void operator=(const BitOps);
00122 };
00123
00124 #endif