xercesc/internal/MemoryManagerImpl.hpp

0001 /*
0002  * Licensed to the Apache Software Foundation (ASF) under one or more
0003  * contributor license agreements.  See the NOTICE file distributed with
0004  * this work for additional information regarding copyright ownership.
0005  * The ASF licenses this file to You under the Apache License, Version 2.0
0006  * (the "License"); you may not use this file except in compliance with
0007  * the License.  You may obtain a copy of the License at
0008  *
0009  *      http://www.apache.org/licenses/LICENSE-2.0
0010  *
0011  * Unless required by applicable law or agreed to in writing, software
0012  * distributed under the License is distributed on an "AS IS" BASIS,
0013  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0014  * See the License for the specific language governing permissions and
0015  * limitations under the License.
0016  */
0017
0018 /*
0019  * $Id$
0020  */
0021
0022 #if !defined(XERCESC_INCLUDE_GUARD_MEMORYMANAGERIMPL_HPP)
0023 #define XERCESC_INCLUDE_GUARD_MEMORYMANAGERIMPL_HPP
0024
0025 #include <xercesc/framework/MemoryManager.hpp>
0026
0027 XERCES_CPP_NAMESPACE_BEGIN
0028
0029 /**
0030   * Configurable memory manager
0031   *
0032   * <p>This is Xerces default implementation of the memory
0033   *    manager interface, which will be instantiated and used
0034   *    in the absence of an application's memory manager.
0035   * </p>
0036   */
0037
0038 class XMLUTIL_EXPORT MemoryManagerImpl : public MemoryManager
0039 {
0040 public:
0041
0042     /** @name Constructor */
0043     //@{
0044
0045     /**
0046       * Default constructor
0047       */
0048     MemoryManagerImpl()
0049     {
0050     }
0051     //@}
0052
0053     /** @name Destructor */
0054     //@{
0055
0056     /**
0057       * Default destructor
0058       */
0059     virtual ~MemoryManagerImpl()
0060     {
0061     }
0062     //@}
0063
0064
0065     /**
0066       * This method is called to obtain the memory manager that should be
0067       * used to allocate memory used in exceptions.
0068       *
0069       * @return A pointer to the memory manager
0070       */
0071     virtual MemoryManager* getExceptionMemoryManager();
0072
0073
0074     /** @name The virtual methods in MemoryManager */
0075     //@{
0076
0077     /**
0078       * This method allocates requested memory.
0079       *
0080       * @param size The requested memory size
0081       *
0082       * @return A pointer to the allocated memory
0083       */
0084     virtual void* allocate(XMLSize_t size);
0085
0086     /**
0087       * This method deallocates memory
0088       *
0089       * @param p The pointer to the allocated memory to be deleted
0090       */
0091     virtual void deallocate(void* p);
0092
0093     //@}
0094
0095 private:
0096     // -----------------------------------------------------------------------
0097     //  Unimplemented constructors and operators
0098     // -----------------------------------------------------------------------
0099     MemoryManagerImpl(const MemoryManagerImpl&);
0100     MemoryManagerImpl& operator=(const MemoryManagerImpl&);
0101
0102 };
0103
0104 XERCES_CPP_NAMESPACE_END
0105
0106 #endif