[358] | 1 | /*
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| 2 | * Copyright 2003,2004 The Apache Software Foundation.
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 |
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| 17 | /*
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| 18 | * $Id: XMemory.hpp,v 1.7 2004/09/08 13:56:25 peiyongz Exp $
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| 19 | */
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| 20 |
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| 21 |
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| 22 | #if !defined(XMEMORY_HPP)
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| 23 | #define XMEMORY_HPP
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| 24 |
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| 25 | #include <xercesc/util/XercesDefs.hpp>
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| 26 | #include <stdlib.h>
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| 27 |
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| 28 | XERCES_CPP_NAMESPACE_BEGIN
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| 29 |
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| 30 | class MemoryManager;
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| 31 |
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| 32 | /**
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| 33 | * This class makes it possible to override the C++ memory management by
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| 34 | * adding new/delete operators to this base class.
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| 35 | *
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| 36 | * This class is used in conjuction with the pluggable memory manager. It
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| 37 | * allows applications to control Xerces memory management.
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| 38 | */
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| 39 |
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| 40 | class XMLUTIL_EXPORT XMemory
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| 41 | {
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| 42 | public :
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| 43 | // -----------------------------------------------------------------------
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| 44 | // The C++ memory management
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| 45 | // -----------------------------------------------------------------------
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| 46 | /** @name The C++ memory management */
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| 47 | //@{
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| 48 |
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| 49 | /**
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| 50 | * This method overrides operator new
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| 51 | *
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| 52 | * @param size The requested memory size
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| 53 | */
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| 54 | void* operator new(size_t size);
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| 55 |
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| 56 | #if defined(XML_VISUALCPP)
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| 57 | /**
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| 58 | * This method overrides the MFC debug version of the operator new
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| 59 | *
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| 60 | * @param size The requested memory size
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| 61 | * @param file The file where the allocation was requested
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| 62 | * @param line The line where the allocation was requested
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| 63 | */
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| 64 | void* operator new(size_t size, const char* file, int line);
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| 65 | /**
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| 66 | * This method provides a matching delete for the MFC debug new
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| 67 | *
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| 68 | * @param p The pointer to the allocated memory
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| 69 | * @param file The file where the allocation was requested
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| 70 | * @param line The line where the allocation was requested
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| 71 | */
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| 72 | void operator delete(void* p, const char* file, int line);
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| 73 | #endif
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| 74 |
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| 75 | /**
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| 76 | * This method overrides placement operator new
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| 77 | *
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| 78 | * @param size The requested memory size
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| 79 | * @param memMgr An application's memory manager
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| 80 | */
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| 81 | void* operator new(size_t size, MemoryManager* memMgr);
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| 82 |
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| 83 | /**
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| 84 | * This method overrides operator delete
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| 85 | *
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| 86 | * @param p The pointer to the allocated memory
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| 87 | */
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| 88 | void operator delete(void* p);
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| 89 |
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| 90 | //The Borland compiler is complaining about duplicate overloading of delete
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| 91 | #if !defined(XML_BORLAND)
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| 92 | /**
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| 93 | * This method provides a matching delete for the placement new
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| 94 | *
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| 95 | * @param p The pointer to the allocated memory
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| 96 | * @param memMgr An application's memory manager
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| 97 | */
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| 98 | void operator delete(void* p, MemoryManager* memMgr);
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| 99 | #endif
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| 100 |
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| 101 | //@}
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| 102 |
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| 103 | protected :
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| 104 | // -----------------------------------------------------------------------
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| 105 | // Hidden Constructors
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| 106 | // -----------------------------------------------------------------------
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| 107 | /** @name Constructor */
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| 108 | //@{
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| 109 |
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| 110 | /**
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| 111 | * Protected default constructor and copy constructor
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| 112 | */
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| 113 | XMemory()
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| 114 | {
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| 115 | }
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| 116 |
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| 117 | XMemory(const XMemory&)
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| 118 | {
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| 119 | }
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| 120 | //@}
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| 121 |
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| 122 | #if defined(XML_BORLAND)
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| 123 | virtual ~XMemory()
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| 124 | {
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| 125 | }
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| 126 | #endif
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| 127 |
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| 128 | private:
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| 129 | // -----------------------------------------------------------------------
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| 130 | // Unimplemented operators
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| 131 | // -----------------------------------------------------------------------
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| 132 | XMemory& operator=(const XMemory&);
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| 133 | };
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| 134 |
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| 135 | XERCES_CPP_NAMESPACE_END
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| 136 |
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| 137 | #endif
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