source: NonGTP/Xerces/xercesc/util/XMemory.hpp @ 188

Revision 188, 5.9 KB checked in by mattausch, 19 years ago (diff)

added xercesc to support

Line 
1/*
2 * The Apache Software License, Version 1.1
3 *
4 * Copyright (c) 2003 The Apache Software Foundation.  All rights
5 * reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in
16 *    the documentation and/or other materials provided with the
17 *    distribution.
18 *
19 * 3. The end-user documentation included with the redistribution,
20 *    if any, must include the following acknowledgment:
21 *       "This product includes software developed by the
22 *        Apache Software Foundation (http://www.apache.org/)."
23 *    Alternately, this acknowledgment may appear in the software itself,
24 *    if and wherever such third-party acknowledgments normally appear.
25 *
26 * 4. The names "Xerces" and "Apache Software Foundation" must
27 *    not be used to endorse or promote products derived from this
28 *    software without prior written permission. For written
29 *    permission, please contact apache\@apache.org.
30 *
31 * 5. Products derived from this software may not be called "Apache",
32 *    nor may "Apache" appear in their name, without prior written
33 *    permission of the Apache Software Foundation.
34 *
35 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
36 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
38 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
42 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
43 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46 * SUCH DAMAGE.
47 * ====================================================================
48 *
49 * This software consists of voluntary contributions made by many
50 * individuals on behalf of the Apache Software Foundation, and was
51 * originally based on software copyright (c) 1999, International
52 * Business Machines, Inc., http://www.ibm.com .  For more information
53 * on the Apache Software Foundation, please see
54 * <http://www.apache.org/>.
55 */
56
57/*
58 * $Id: XMemory.hpp,v 1.6 2004/01/15 19:48:23 knoaman Exp $
59 */
60
61
62#if !defined(XMEMORY_HPP)
63#define XMEMORY_HPP
64
65#include <xercesc/util/XercesDefs.hpp>
66#include <stdlib.h>
67
68XERCES_CPP_NAMESPACE_BEGIN
69
70class MemoryManager;
71
72/**
73 *  This class makes it possible to override the C++ memory management by
74 *  adding new/delete operators to this base class.
75 *
76 *  This class is used in conjuction with the pluggable memory manager. It
77 *  allows applications to control Xerces memory management.
78 */
79
80class XMLUTIL_EXPORT XMemory
81{
82public :
83    // -----------------------------------------------------------------------
84    //  The C++ memory management
85    // -----------------------------------------------------------------------
86    /** @name The C++ memory management */
87    //@{
88
89    /**
90      * This method overrides operator new
91      *
92      * @param size The requested memory size
93      */
94    void* operator new(size_t size);
95
96#if defined(XML_VISUALCPP)
97    /**
98      * This method overrides the MFC debug version of the operator new
99      *
100      * @param size   The requested memory size
101      * @param file   The file where the allocation was requested
102      * @param line   The line where the allocation was requested
103      */
104    void* operator new(size_t size, const char* file, int line);
105    /**
106      * This method provides a matching delete for the MFC debug new
107      *
108      * @param p      The pointer to the allocated memory
109      * @param file   The file where the allocation was requested
110      * @param line   The line where the allocation was requested
111      */
112    void operator delete(void* p, const char* file, int line);
113#endif
114
115    /**
116      * This method overrides placement operator new
117      *
118      * @param size   The requested memory size
119      * @param memMgr An application's memory manager
120      */
121    void* operator new(size_t size, MemoryManager* memMgr);
122
123    /**
124      * This method overrides operator delete
125      *
126      * @param p The pointer to the allocated memory
127      */
128    void operator delete(void* p);
129
130     //The Borland compiler is complaining about duplicate overloading of delete
131#if !defined(XML_BORLAND)
132    /**
133      * This method provides a matching delete for the placement new
134      *
135      * @param p      The pointer to the allocated memory
136      * @param memMgr An application's memory manager
137      */
138    void operator delete(void* p, MemoryManager* memMgr);
139#endif
140
141    //@}
142
143protected :
144    // -----------------------------------------------------------------------
145    //  Hidden Constructors
146    // -----------------------------------------------------------------------
147    /** @name Constructor */
148    //@{
149
150    /**
151      * Protected default constructor and copy constructor
152      */
153    XMemory()
154    {
155    }
156
157    XMemory(const XMemory&)
158    {
159    }
160    //@}
161
162#if defined(XML_BORLAND)
163    virtual ~XMemory()
164    {
165    }
166#endif
167
168private:
169    // -----------------------------------------------------------------------
170    //  Unimplemented operators
171    // -----------------------------------------------------------------------
172    XMemory& operator=(const XMemory&);
173};
174
175XERCES_CPP_NAMESPACE_END
176
177#endif
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