source: icXML/icXML-devel/src/xercesc/util/FlagJanitor.c

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

Original Xerces files with import mods for icxercesc

File size: 2.0 KB
RevLine 
[2722]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: FlagJanitor.c 471747 2006-11-06 14:31:56Z amassari $
20 */
21
22
23// ---------------------------------------------------------------------------
24//  Includes
25// ---------------------------------------------------------------------------
26#if defined(XERCES_TMPLSINC)
27#include <xercesc/util/FlagJanitor.hpp>
28#endif
29
30XERCES_CPP_NAMESPACE_BEGIN
31
32// ---------------------------------------------------------------------------
33//  Constructors and Destructor
34// ---------------------------------------------------------------------------
35template <class T> FlagJanitor<T>::FlagJanitor(T* const valPtr, const T newVal)
36:   fValPtr(valPtr)
37{
38    // Store the pointer, save the org value, and store the new value   
39    if (fValPtr)
40    {
41        fOldVal = *fValPtr;
42        *fValPtr = newVal;
43    }
44}
45
46template <class T> FlagJanitor<T>::~FlagJanitor()
47{
48    // Restore the old value
49    if (fValPtr)
50        *fValPtr = fOldVal;
51}
52
53
54// ---------------------------------------------------------------------------
55//  Value management methods
56// ---------------------------------------------------------------------------
57template <class T> void FlagJanitor<T>::release()
58{
59    fValPtr = 0;
60}
61
62XERCES_CPP_NAMESPACE_END
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