?? memorymanager.hpp
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/* * Copyright 2003,2004 The Apache Software Foundation. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* * $Log: MemoryManager.hpp,v $ * Revision 1.3 2004/09/08 13:55:57 peiyongz * Apache License Version 2.0 * * Revision 1.2 2003/04/27 17:17:01 jberry * Add include for stdlib to pull in size_t declaration * * Revision 1.1 2003/04/21 15:47:45 knoaman * Initial check-in. * */#if !defined(MEMORYMANAGER_HPP)#define MEMORYMANAGER_HPP#include <xercesc/util/XercesDefs.hpp>#include <stdlib.h>XERCES_CPP_NAMESPACE_BEGIN/** * Configurable memory manager * * <p>This interface allows outside applications to plug in their own memory * manager to be used by Xerces for memory allocation/deallocation.</p> */class XMLPARSER_EXPORT MemoryManager{public: // ----------------------------------------------------------------------- // Constructors are hidden, only the virtual destructor is exposed // ----------------------------------------------------------------------- /** @name Destructor */ //@{ /** * Default destructor */ virtual ~MemoryManager() { } //@} // ----------------------------------------------------------------------- // The virtual memory manager interface // ----------------------------------------------------------------------- /** @name The pure virtual methods in this interface. */ //@{ /** * This method allocates requested memory. * * @param size The requested memory size * * @return A pointer to the allocated memory */ virtual void* allocate(size_t size) = 0; /** * This method deallocates memory * * @param p The pointer to the allocated memory to be deleted */ virtual void deallocate(void* p) = 0; //@}protected : // ----------------------------------------------------------------------- // Hidden Constructors // ----------------------------------------------------------------------- /** @name Constructor */ //@{ /** * Protected default constructor */ MemoryManager() { } //@}private: // ----------------------------------------------------------------------- // Unimplemented constructors and operators // ----------------------------------------------------------------------- MemoryManager(const MemoryManager&); MemoryManager& operator=(const MemoryManager&);};XERCES_CPP_NAMESPACE_END#endif
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