GME
13
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00001 /* 00002 * Licensed to the Apache Software Foundation (ASF) under one or more 00003 * contributor license agreements. See the NOTICE file distributed with 00004 * this work for additional information regarding copyright ownership. 00005 * The ASF licenses this file to You under the Apache License, Version 2.0 00006 * (the "License"); you may not use this file except in compliance with 00007 * the License. You may obtain a copy of the License at 00008 * 00009 * http://www.apache.org/licenses/LICENSE-2.0 00010 * 00011 * Unless required by applicable law or agreed to in writing, software 00012 * distributed under the License is distributed on an "AS IS" BASIS, 00013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00014 * See the License for the specific language governing permissions and 00015 * limitations under the License. 00016 */ 00017 00018 /* 00019 * $Id: FlagJanitor.c 471747 2006-11-06 14:31:56Z amassari $ 00020 */ 00021 00022 00023 // --------------------------------------------------------------------------- 00024 // Includes 00025 // --------------------------------------------------------------------------- 00026 #if defined(XERCES_TMPLSINC) 00027 #include <xercesc/util/FlagJanitor.hpp> 00028 #endif 00029 00030 XERCES_CPP_NAMESPACE_BEGIN 00031 00032 // --------------------------------------------------------------------------- 00033 // Constructors and Destructor 00034 // --------------------------------------------------------------------------- 00035 template <class T> FlagJanitor<T>::FlagJanitor(T* const valPtr, const T newVal) 00036 : fValPtr(valPtr) 00037 { 00038 // Store the pointer, save the org value, and store the new value 00039 if (fValPtr) 00040 { 00041 fOldVal = *fValPtr; 00042 *fValPtr = newVal; 00043 } 00044 } 00045 00046 template <class T> FlagJanitor<T>::~FlagJanitor() 00047 { 00048 // Restore the old value 00049 if (fValPtr) 00050 *fValPtr = fOldVal; 00051 } 00052 00053 00054 // --------------------------------------------------------------------------- 00055 // Value management methods 00056 // --------------------------------------------------------------------------- 00057 template <class T> void FlagJanitor<T>::release() 00058 { 00059 fValPtr = 0; 00060 } 00061 00062 XERCES_CPP_NAMESPACE_END