source: icXML/icXML-devel/src/xercesc/util/BitOps.hpp @ 2732

Last change on this file since 2732 was 2722, checked in by cameron, 7 years ago

Original Xerces files with import mods for icxercesc

File size: 2.2 KB
Line 
1/*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements.  See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License.  You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18/*
19 * $Id: BitOps.hpp 527149 2007-04-10 14:56:39Z amassari $
20 */
21
22#if !defined(XERCESC_INCLUDE_GUARD_BITOPS_HPP)
23#define XERCESC_INCLUDE_GUARD_BITOPS_HPP
24
25#include <xercesc/util/XercesDefs.hpp>
26
27XERCES_CPP_NAMESPACE_BEGIN
28
29class XMLUTIL_EXPORT BitOps
30{
31public:
32    // -----------------------------------------------------------------------
33    //  Public static methods
34    // -----------------------------------------------------------------------
35    static inline XMLCh swapBytes(const XMLUInt16 toSwap)
36    {
37        //The mask is required to overcome a compiler error on solaris
38        return XMLCh(((toSwap >> 8) | (toSwap << 8)) & 0xFFFF);
39    }
40
41    static inline unsigned int swapBytes(const XMLUInt32 toSwap)
42    {
43        return
44        (
45            (toSwap >> 24)
46            | (toSwap << 24)
47            | ((toSwap & 0xFF00) << 8)
48            | ((toSwap & 0xFF0000) >> 8)
49        );
50    }
51
52
53
54protected :
55    // -----------------------------------------------------------------------
56    //  Unimplemented constructors and operators.  (These ought to be private,
57    //                                  but that produces spurious compiler warnings
58    //                                  on some platforms.)
59    // -----------------------------------------------------------------------
60    BitOps();
61    BitOps(const BitOps&);
62    BitOps& operator=(const BitOps&);
63};
64
65XERCES_CPP_NAMESPACE_END
66
67#endif
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