Xalan-C++ API Documentation

00001 /*
00002  * Copyright 1999-2004 The Apache Software Foundation.
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 #if !defined(XALANMEMMGRHELPER_HEADER_GUARD_1357924680)
00017 #define XALANMEMMGRHELPER_HEADER_GUARD_1357924680
00018 
00019 
00020 
00021 // Base include file.  Must be first.
00022 #include <xalanc/PlatformSupport/PlatformSupportDefinitions.hpp>
00023 
00024 
00025 
00026 #include <xalanc/Include/XalanMemMgrAutoPtr.hpp>
00027 
00028 
00029 
00030 
00031 XALAN_CPP_NAMESPACE_BEGIN
00032 
00033 template <class Type>
00034 inline Type*
00035 cloneObjWithMemMgr(const Type& other, MemoryManagerType& theManager)
00036 {
00037 
00038     XalanMemMgrAutoPtr<Type, false> theGuard( theManager , (Type*)theManager.allocate(sizeof(Type)));
00039 
00040     Type* theResult = theGuard.get();
00041 
00042     new (theResult) Type(other, theManager);
00043 
00044     theGuard.release();
00045     
00046     return theResult;
00047 }
00048 
00049 
00050 
00051 template <class Type>
00052 inline Type*
00053 cloneObj(const Type& other, MemoryManagerType& theManager)
00054 {
00055 
00056     XalanMemMgrAutoPtr<Type, false> theGuard( theManager , (Type*)theManager.allocate(sizeof(Type)));
00057 
00058     Type* theResult = theGuard.get();
00059 
00060     new (theResult) Type(other);
00061 
00062     theGuard.release();
00063     
00064     return theResult;
00065 }
00066 
00067 
00068 
00069 template <class Type>
00070 class CreateObjFunctor
00071 {
00072 public:
00073     Type*
00074     operator()(MemoryManagerType& theManager)
00075     {
00076         
00077         XalanMemMgrAutoPtr<Type, false> theGuard( theManager , (Type*)theManager.allocate(sizeof(Type)));
00078         
00079         Type* theResult = theGuard.get();
00080         
00081         new (theResult) Type(theManager);
00082         
00083         theGuard.release();
00084         
00085         return theResult;
00086     }
00087 };
00088 
00089 template <class Type>
00090 inline void
00091 destroyObjWithMemMgr(const Type* ptr, MemoryManagerType& theManager)
00092 {
00093     if (ptr != 0)
00094     {
00095         Type* const     nonConstPointer =
00096 #if defined(XALAN_OLD_STYLE_CASTS)
00097             (const Type*)ptr;
00098 #else
00099             const_cast<Type*>(ptr);
00100 #endif
00101         nonConstPointer->~Type();
00102 
00103         theManager.deallocate(nonConstPointer);
00104     }
00105 }
00106 
00107 
00108 
00109 XALAN_CPP_NAMESPACE_END
00110 
00111 
00112 
00113 #endif  // if !defined(XALANMEMMGRHELPER_HEADER_GUARD_1357924680)
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Xalan-C++ API Documentation

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XalanMemMgrHelper.hpp
