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(XALANMEMMGRARRAYALLOCATE_HEADER_GUARD_1357924680) 00017 #define XALANMEMMGRARRAYALLOCATE_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 XALAN_CPP_NAMESPACE_BEGIN 00031 00032 00033 template <class Type> 00034 class XalanMemMngArrayAllocate 00035 { 00036 typedef typename XalanMemMgrAutoPtrArray<Type>::size_type size_type; 00037 00038 public: 00039 static Type* 00040 allocate( size_t size, 00041 MemoryManagerType& memoryManager) 00042 { 00043 XalanMemMgrAutoPtrArray<Type> theGuard ( memoryManager, 00044 (Type*)memoryManager.allocate( sizeof(Type)*size), 00045 size_type(size) ); 00046 00047 size_t allocated = 0; 00048 00049 for ( Type* runPtr = theGuard.get() ; allocated < size ; ++ allocated ) 00050 { 00051 new ( runPtr + allocated ) Type(); 00052 00053 ++theGuard; 00054 } 00055 00056 Type* theResult = theGuard.get(); 00057 00058 theGuard.release(); 00059 00060 return theResult; 00061 } 00062 00063 static Type* 00064 allocateMemMgr( size_t size, 00065 MemoryManagerType& memoryManager) 00066 { 00067 XalanMemMgrAutoPtrArray<Type> theGuard ( memoryManager, 00068 (Type*)memoryManager.allocate( sizeof(Type)*size), 00069 size_type(size) ); 00070 00071 size_t allocated = 0; 00072 00073 for ( Type* runPtr = theGuard.get() ; allocated < size ; ++ allocated ) 00074 { 00075 new ( runPtr + allocated ) Type(memoryManager); 00076 00077 ++theGuard; 00078 } 00079 00080 Type* theResult = theGuard.get(); 00081 00082 theGuard.release(); 00083 00084 return theResult; 00085 } 00086 00087 static void 00088 deallocate ( Type* ptr, 00089 size_t size, 00090 MemoryManagerType& memoryManager) 00091 { 00092 assert ( ptr != 0 ); 00093 00094 Type* runPtr = ptr; 00095 00096 for ( size_t i = 0; i < size ; ++i ) 00097 { 00098 runPtr->~Type(); 00099 } 00100 00101 memoryManager.deallocate ( ptr); 00102 } 00103 00104 }; 00105 00106 00107 XALAN_CPP_NAMESPACE_END 00108 00109 00110 00111 #endif // if !defined(XALANMEMMGRARRAYALLOCATE_HEADER_GUARD_1357924680) 00112 00113
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