MemoryManager.hpp Source File

00001 /*
00002  * Copyright 2003,2004 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 
00017  /*
00018   * $Log: MemoryManager.hpp,v $
00019   * Revision 1.3  2004/09/08 13:55:57  peiyongz
00020   * Apache License Version 2.0
00021   *
00022   * Revision 1.2  2003/04/27 17:17:01  jberry
00023   * Add include for stdlib to pull in size_t declaration
00024   *
00025   * Revision 1.1  2003/04/21 15:47:45  knoaman
00026   * Initial check-in.
00027   *
00028   */
00029 
00030 
00031 #if !defined(MEMORYMANAGER_HPP)
00032 #define MEMORYMANAGER_HPP
00033 
00034 #include <xercesc/util/XercesDefs.hpp>
00035 #include <stdlib.h>
00036 
00037 
00038 XERCES_CPP_NAMESPACE_BEGIN
00039 
00040 
00047 class  MemoryManager
00048 {
00049 public:
00050     // -----------------------------------------------------------------------
00051     //  Constructors are hidden, only the virtual destructor is exposed
00052     // -----------------------------------------------------------------------
00053 
00056 
00060     virtual ~MemoryManager()
00061     {
00062     }
00064 
00065 
00066     // -----------------------------------------------------------------------
00067     //  The virtual memory manager interface
00068     // -----------------------------------------------------------------------
00071 
00079     virtual void* allocate(size_t size) = 0;
00080 
00086     virtual void deallocate(void* p) = 0;
00087 
00089 
00090 
00091 protected :
00092     // -----------------------------------------------------------------------
00093     //  Hidden Constructors
00094     // -----------------------------------------------------------------------
00097 
00101     MemoryManager()
00102     {
00103     }
00105 
00106 
00107 
00108 private:
00109     // -----------------------------------------------------------------------
00110     //  Unimplemented constructors and operators
00111     // -----------------------------------------------------------------------
00112     MemoryManager(const MemoryManager&);
00113     MemoryManager& operator=(const MemoryManager&);
00114 };
00115 
00116 XERCES_CPP_NAMESPACE_END
00117 
00118 #endif