/*
 * (C) Copyright 1996-2016 ECMWF.
 *
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 * In applying this licence, ECMWF does not waive the privileges and immunities
 * granted to it by virtue of its status as an intergovernmental organisation nor
 * does it submit to any jurisdiction.
 */

/*! \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 "DateGribLoopStepAttributes.h"
#include "Factory.h"
#include "MagException.h"
#include "MagTranslator.h"
#include "magics.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);
    }
};

}  // namespace magics
#endif
