/******************************** LICENSE ********************************

 Copyright 2007 European Centre for Medium-Range Weather Forecasts (ECMWF)

 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.

 ******************************** LICENSE ********************************/

/*! \file TitleField.h
    \brief Definition of the Template class TitleField.
    
    Magics Team - ECMWF 2004
    
    Started: Mon 21-Jun-2004
    
    Changes:
    
*/

#ifndef TitleField_H
#define TitleField_H

#include "magics.h"


namespace magics {

class TitleField : public map<string, string> {

public:
	TitleField();
	virtual ~TitleField();
    
    string attribute(const string& param, const string& def = "") 
    {
        map<string, string>::const_iterator attribute = find(param);
        if ( attribute == end() ) return def;
        return attribute->second;
    }
    virtual string name() { return ""; }
    virtual void operator()(vector<string>&) const =0;

protected:
     //! Method to print string about this class on to a stream of type ostream (virtual).
	 virtual void print(ostream&) const; 

private:
    //! Copy constructor - No copy allowed
	TitleField(const TitleField&);
    //! Overloaded << operator to copy - No copy allowed
	TitleField& operator=(const TitleField&);

// -- Friends
    //! Overloaded << operator to call print().
	friend ostream& operator<<(ostream& s,const TitleField& p)
		{ p.print(s); return s; }

};

} // namespace magics
#endif
