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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 /* |
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18 * Licensed to the Apache Software Foundation (ASF) under one or more |
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19 * contributor license agreements. See the NOTICE file distributed with |
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20 * this work for additional information regarding copyright ownership. |
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21 * The ASF licenses this file to You under the Apache License, Version 2.0 |
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22 * (the "License"); you may not use this file except in compliance with |
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23 * the License. You may obtain a copy of the License at |
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24 * |
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25 * http://www.apache.org/licenses/LICENSE-2.0 |
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26 * |
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27 * Unless required by applicable law or agreed to in writing, software |
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28 * distributed under the License is distributed on an "AS IS" BASIS, |
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29 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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30 * See the License for the specific language governing permissions and |
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31 * limitations under the License. |
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32 */ |
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33 |
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34 /* |
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35 * $Id: FlagJanitor.c 568078 2007-08-21 11:43:25Z amassari $ |
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36 */ |
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37 |
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38 |
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39 // --------------------------------------------------------------------------- |
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40 // Includes |
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41 // --------------------------------------------------------------------------- |
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42 #if defined(XERCES_TMPLSINC) |
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43 #include <xercesc/util/FlagJanitor.hpp> |
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44 #endif |
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45 |
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46 XERCES_CPP_NAMESPACE_BEGIN |
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47 |
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48 // --------------------------------------------------------------------------- |
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49 // Constructors and Destructor |
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50 // --------------------------------------------------------------------------- |
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51 template <class T> FlagJanitor<T>::FlagJanitor(T* const valPtr, const T newVal) |
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52 : fValPtr(valPtr) |
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53 { |
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54 // Store the pointer, save the org value, and store the new value |
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55 if (fValPtr) |
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56 { |
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57 fOldVal = *fValPtr; |
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58 *fValPtr = newVal; |
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59 } |
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60 } |
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61 |
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62 template <class T> FlagJanitor<T>::~FlagJanitor() |
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63 { |
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64 // Restore the old value |
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65 if (fValPtr) |
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66 *fValPtr = fOldVal; |
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67 } |
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68 |
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69 |
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70 // --------------------------------------------------------------------------- |
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71 // Value management methods |
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72 // --------------------------------------------------------------------------- |
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73 template <class T> void FlagJanitor<T>::release() |
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74 { |
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75 fValPtr = 0; |
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76 } |
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77 |
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78 XERCES_CPP_NAMESPACE_END |