XMLAdapter.hxx

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/*
 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
 *                         UNIVERSITAT POMPEU FABRA
 *
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

// Class XMLAdapter
// 

#ifndef _XMLAdapter_
#define _XMLAdapter_

#include "BasicXMLable.hxx"
#include <sstream>
#include <string>

namespace CLAM {

template <class T> class XMLAdapter : public BasicXMLable {
// Internal Types
public:
        typedef BasicXMLable super;
        typedef T t_adaptee;
// Attributes
private:
        t_adaptee & mAdaptee;
// Construction/Destruction
public:
        XMLAdapter (t_adaptee & anAdaptee, const char * name=NULL, bool isXMLElement=false)
                : BasicXMLable(name, isXMLElement), mAdaptee(anAdaptee)
        {
        }
        XMLAdapter (const t_adaptee & anAdaptee, const char * name=NULL, bool isXMLElement=false)
                : BasicXMLable(name, isXMLElement), mAdaptee(const_cast<T&>(anAdaptee))
        {
        }
        virtual ~XMLAdapter() 
        {
        };

// Accessors
public:
        //* @return A string with the extracted XML content
        std::string XMLContent() const
        {

                std::stringstream str;
                str << mAdaptee << std::ends;
                return str.str();
        }

        //* Extracts the content from the stream.
        bool XMLContent(std::istream & str) 
        {
                str >> mAdaptee;
                return str!=NULL;
        }
// Testing
public:
        //* Check the internal status for a class instance is valid
        bool FulfilsInvariant()
        {
                return super::FulfilsInvariant();
        }
};

}
#endif//_XMLAdapter_

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