XMLArrayAdapter.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 XMLArrayAdapter
// 

#ifndef _XMLArrayAdapter_h
#define _XMLArrayAdapter_h

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

namespace CLAM {

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

// Accessors
public:
        //* @return A string with the extracted XML content
        std::string XMLContent() const
        {
                std::string s;
                s.resize(size*15);
                std::stringstream str(s);
                for (unsigned int i=0; i<size; i++) {
                        str << mAdaptee[i];
                        if (i < size-1) str << " ";
                }
                str << std::ends;
                return str.str();
        }

        //* Extracts the content from the stream.
        bool XMLContent(std::istream & str) 
        {
                for (unsigned int i=0; i<size; i++) {
                        str >> mAdaptee[i];
                }
                return bool(str.good());
        }

// Testing
public:
        //* Check the internal status for a class instance is valid
        bool FulfilsInvariant() {
                return super::FulfilsInvariant();
        }
};
}


#endif//_XMLArrayAdapter_h