source: obsolete/trunk/VUT/GtpVisibilityPreprocessor/support/xerces/include/xercesc/util/FlagJanitor.c @ 358

Revision 358, 2.6 KB checked in by bittner, 19 years ago (diff)

xerces added
Line 
1/*
2 * Copyright 1999-2000,2004 The Apache Software Foundation.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17/**
18 * $Log: FlagJanitor.c,v $
19 * Revision 1.4  2004/09/08 13:56:21  peiyongz
20 * Apache License Version 2.0
21 *
22 * Revision 1.3  2004/01/29 11:48:46  cargilld
23 * Code cleanup changes to get rid of various compiler diagnostic messages.
24 *
25 * Revision 1.2  2002/11/04 15:22:03  tng
26 * C++ Namespace Support.
27 *
28 * Revision 1.1.1.1  2002/02/01 22:22:10  peiyongz
29 * sane_include
30 *
31 * Revision 1.3  2000/03/02 19:54:39  roddey
32 * This checkin includes many changes done while waiting for the
33 * 1.1.0 code to be finished. I can't list them all here, but a list is
34 * available elsewhere.
35 *
36 * Revision 1.2  2000/02/06 07:48:01  rahulj
37 * Year 2K copyright swat.
38 *
39 * Revision 1.1.1.1  1999/11/09 01:04:15  twl
40 * Initial checkin
41 *
42 * Revision 1.2  1999/11/08 20:45:06  rahul
43 * Swat for adding in Product name and CVS comment log variable.
44 *
45 */
46
47
48// ---------------------------------------------------------------------------
49//  Includes
50// ---------------------------------------------------------------------------
51#if defined(XERCES_TMPLSINC)
52#include <xercesc/util/FlagJanitor.hpp>
53#endif
54
55XERCES_CPP_NAMESPACE_BEGIN
56
57// ---------------------------------------------------------------------------
58//  Constructors and Destructor
59// ---------------------------------------------------------------------------
60template <class T> FlagJanitor<T>::FlagJanitor(T* const valPtr, const T newVal)
61:   fValPtr(valPtr)
62{
63    // Store the pointer, save the org value, and store the new value   
64    if (fValPtr)
65    {
66        fOldVal = *fValPtr;
67        *fValPtr = newVal;
68    }
69}
70
71template <class T> FlagJanitor<T>::~FlagJanitor()
72{
73    // Restore the old value
74    if (fValPtr)
75        *fValPtr = fOldVal;
76}
77
78
79// ---------------------------------------------------------------------------
80//  Value management methods
81// ---------------------------------------------------------------------------
82template <class T> void FlagJanitor<T>::release()
83{
84    fValPtr = 0;
85}
86
87XERCES_CPP_NAMESPACE_END
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