/******************************** 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 GribLoopStep.h
    \brief Definition of the Template class GribLoopStep
    
    Magics Team - ECMWF 2004
    
    Started: Tue 16-Mar-2004
    
    Changes:
    
*/

#ifndef GribLoop_H
#define GribLoop_H

#include "magics.h"
#include "MagException.h"
#include "Factory.h"
#include "MagTranslator.h"
#include "DateGribLoopStepAttributes.h"
namespace magics {

class GribDecoder;
class XmlNode;
class LayerNode;

class GribLoopStep
{
public:
	GribLoopStep() {}
	virtual ~GribLoopStep() {}
	virtual void set(const map<string, string>& ) {}
	virtual void set(const XmlNode& ) {}
	virtual bool accept(const string& ) { return false;}
	//virtual void operator()(GribDecoder&) {}
	virtual GribLoopStep* clone() { return new GribLoopStep(); }
	virtual void toxml(ostream&, int = 0) const {
    	 MagLog::dev() << " const ---> to be checked!...\n";
    }

protected :
	virtual void print(ostream&) const;

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

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


class DateGribLoopStep : public GribLoopStep, public DateGribLoopStepAttributes
{
public:
	DateGribLoopStep() {}
	~DateGribLoopStep() {}
	void set(const XmlNode& node) { DateGribLoopStepAttributes::set(node); }
	bool accept(const string& node) { return DateGribLoopStepAttributes::accept(node);; }
	GribLoopStep* clone() { return new DateGribLoopStep(); }
	//virtual void operator()(GribDecoder&, LayerNode&);
};

class ParamGribLoopStep : public GribLoopStep
{
public:
	ParamGribLoopStep() {}
	~ParamGribLoopStep() {}
	//virtual void operator()(GribDecoder&, LayerNode&);
	GribLoopStep* clone() { return new ParamGribLoopStep(); }
};


template <>
class MagTranslator<string, GribLoopStep> { 
public:
	GribLoopStep* operator()(const string& val)
	{
		return SimpleObjectMaker<GribLoopStep>::create(val);
	}

	GribLoopStep* magics(const string& param)
	{
		string val;
		ParameterManager::get(param, val);
		return (*this)(val);
	}

};

} // namepace magics
#endif
