metaobject.h

This software aims to create an applet and panel tools to manage a wireless interface card, such as

//
// MetaObject.h
//
// $Id: //poco/Main/Foundation/include/Foundation/MetaObject.h#5 $
//
// Definition of the MetaObject class.
//
// Copyright (c) 2004, Guenter Obiltschnig/Applied Informatics.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//
// 3. Redistributions in any form must be accompanied by information on
//    how to obtain complete source code for this software and any
//    accompanying software that uses this software.  The source code
//    must either be included in the distribution or be available for no
//    more than the cost of distribution plus a nominal fee, and must be
//    freely redistributable under reasonable conditions.  For an
//    executable file, complete source code means the source code for all
//    modules it contains.  It does not include source code for modules or
//    files that typically accompany the major components of the operating
//    system on which the executable file runs.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//


#ifndef Foundation_MetaObject_INCLUDED
#define Foundation_MetaObject_INCLUDED


#ifndef Foundation_Foundation_INCLUDED
#include "Foundation/Foundation.h"
#endif


Foundation_BEGIN


template <class B>
class AbstractMetaObject
	/// A MetaObject stores some information
	/// about a C++ class. The MetaObject class
	/// is used by the Manifest class.
	/// AbstractMetaObject is a common base class
	/// for all MetaObject in a rooted class hierarchy.
	/// A MetaObject can also be used as an object
	/// factory for its class.
{
public:
	AbstractMetaObject(const char* name): _name(name)
	{
	}

	virtual ~AbstractMetaObject()
	{
	}

	const char* name() const
	{
		return _name;
	}

	virtual B* create() const
	{
		return 0;
	}

private:
	AbstractMetaObject();
	AbstractMetaObject(const AbstractMetaObject&);
	AbstractMetaObject& operator = (const AbstractMetaObject&);

	const char* _name;
};


template <class C, class B>
class MetaObject: public AbstractMetaObject<B>
	/// A MetaObject stores some information
	/// about a C++ class. The MetaObject class
	/// is used by the Manifest class.
	/// A MetaObject can also be used as an object
	/// factory for its class.
{
public:
	MetaObject(const char* name): AbstractMetaObject<B>(name)
	{
	}

	~MetaObject()
	{
	}

	B* create() const
	{
		return new C;
	}
	
private:
	MetaObject();
	MetaObject(const MetaObject&);
	MetaObject& operator = (const MetaObject&);
};


Foundation_END


#endif // Foundation_MetaObject_INCLUDED