source: NonGTP/Xerces/xercesc/util/BitOps.hpp @ 188

Revision 188, 5.1 KB checked in by mattausch, 19 years ago (diff)

added xercesc to support

Line 
1/*
2 * The Apache Software License, Version 1.1
3 *
4 * Copyright (c) 1999-2000 The Apache Software Foundation.  All rights
5 * reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in
16 *    the documentation and/or other materials provided with the
17 *    distribution.
18 *
19 * 3. The end-user documentation included with the redistribution,
20 *    if any, must include the following acknowledgment:
21 *       "This product includes software developed by the
22 *        Apache Software Foundation (http://www.apache.org/)."
23 *    Alternately, this acknowledgment may appear in the software itself,
24 *    if and wherever such third-party acknowledgments normally appear.
25 *
26 * 4. The names "Xerces" and "Apache Software Foundation" must
27 *    not be used to endorse or promote products derived from this
28 *    software without prior written permission. For written
29 *    permission, please contact apache\@apache.org.
30 *
31 * 5. Products derived from this software may not be called "Apache",
32 *    nor may "Apache" appear in their name, without prior written
33 *    permission of the Apache Software Foundation.
34 *
35 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
36 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
38 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
42 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
43 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46 * SUCH DAMAGE.
47 * ====================================================================
48 *
49 * This software consists of voluntary contributions made by many
50 * individuals on behalf of the Apache Software Foundation, and was
51 * originally based on software copyright (c) 1999, International
52 * Business Machines, Inc., http://www.ibm.com .  For more information
53 * on the Apache Software Foundation, please see
54 * <http://www.apache.org/>.
55 */
56
57/*
58 * $Log: BitOps.hpp,v $
59 * Revision 1.3  2003/03/07 18:11:54  tng
60 * Return a reference instead of void for operator=
61 *
62 * Revision 1.2  2002/11/04 15:22:03  tng
63 * C++ Namespace Support.
64 *
65 * Revision 1.1.1.1  2002/02/01 22:22:10  peiyongz
66 * sane_include
67 *
68 * Revision 1.7  2000/09/06 00:24:15  andyh
69 * Clean up misc compiler warnings
70 *
71 * Revision 1.6  2000/03/02 19:54:38  roddey
72 * This checkin includes many changes done while waiting for the
73 * 1.1.0 code to be finished. I can't list them all here, but a list is
74 * available elsewhere.
75 *
76 * Revision 1.5  2000/02/24 20:05:24  abagchi
77 * Swat for removing Log from API docs
78 *
79 * Revision 1.4  2000/02/17 22:49:17  aruna1
80 * Added comment on mask
81 *
82 * Revision 1.3  2000/02/17 22:32:45  aruna1
83 * Masking changes made due to swap of 16bit to 32 bit
84 *
85 * Revision 1.2  2000/02/06 07:48:01  rahulj
86 * Year 2K copyright swat.
87 *
88 * Revision 1.1.1.1  1999/11/09 01:04:08  twl
89 * Initial checkin
90 *
91 * Revision 1.3  1999/11/08 20:45:05  rahul
92 * Swat for adding in Product name and CVS comment log variable.
93 *
94 */
95
96#if !defined(BITOPS_HPP)
97#define BITOPS_HPP
98
99#include <xercesc/util/XercesDefs.hpp>
100
101XERCES_CPP_NAMESPACE_BEGIN
102
103class XMLUTIL_EXPORT BitOps
104{
105public:
106    // -----------------------------------------------------------------------
107    //  Public static methods
108    // -----------------------------------------------------------------------
109    static inline XMLCh swapBytes(const XMLUInt16 toSwap)
110    {
111        //The mask is required to overcome a compiler error on solaris
112        return XMLCh(((toSwap >> 8) | (toSwap << 8)) & 0xFFFF);
113    }
114
115    static inline unsigned int swapBytes(const XMLUInt32 toSwap)
116    {
117        return
118        (
119            (toSwap >> 24)
120            | (toSwap << 24)
121            | ((toSwap & 0xFF00) << 8)
122            | ((toSwap & 0xFF0000) >> 8)
123        );
124    }
125
126
127
128protected :
129    // -----------------------------------------------------------------------
130    //  Unimplemented constructors and operators.  (These ought to be private,
131    //                                  but that produces spurious compiler warnings
132    //                                  on some platforms.)
133    // -----------------------------------------------------------------------
134    BitOps();
135    BitOps(const BitOps&);
136    BitOps& operator=(const BitOps&);
137};
138
139XERCES_CPP_NAMESPACE_END
140
141#endif
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