/*

 * Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements.  See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You 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.

 */

/*

 * $Id: XProtoType.hpp 568078 2007-08-21 11:43:25Z amassari $

 */

#if !defined(XPROTOTYPE_HPP)

#define XPROTOTYPE_HPP

#include <xercesc/util/PlatformUtils.hpp>

XERCES_CPP_NAMESPACE_BEGIN

class XSerializeEngine;

class XSerializable;

class XMLUTIL_EXPORT XProtoType

{

public:

           void       store(XSerializeEngine& serEng) const;

    static void        load(XSerializeEngine&          serEng

                          , XMLByte*          const    name

                          , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager

                          );

    // -------------------------------------------------------------------------------

    //  data

    //

    //  fClassName: 

    //            name of the XSerializable derivatives

    //

    //  fCreateObject:

    //            pointer to the factory method (createObject()) 

    //            of the XSerializable derivatives

    //

    // -------------------------------------------------------------------------------

    XMLByte*          fClassName;

    XSerializable*    (*fCreateObject)(MemoryManager*);

};

#define DECL_XPROTOTYPE(class_name) \

static  XProtoType        class##class_name;                   \

static  XSerializable*    createObject(MemoryManager* manager);

/***

 * For non-abstract class

 ***/

#define IMPL_XPROTOTYPE_TOCREATE(class_name) \

IMPL_XPROTOTYPE_INSTANCE(class_name) \

XSerializable* class_name::createObject(MemoryManager* manager) \

{return new (manager) class_name(manager);}

/***

* For abstract class

 ***/

#define IMPL_XPROTOTYPE_NOCREATE(class_name) \

IMPL_XPROTOTYPE_INSTANCE(class_name) \

XSerializable* class_name::createObject(MemoryManager*) \

{return 0;}

/***

 * Helper Macro 

 ***/

#define XPROTOTYPE_CLASS(class_name) ((XProtoType*)(&class_name::class##class_name))

#define IMPL_XPROTOTYPE_INSTANCE(class_name) \

XProtoType class_name::class##class_name = \

{(XMLByte*) #class_name, class_name::createObject };

XERCES_CPP_NAMESPACE_END

#endif