/*
 * (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 ObsDecoder.h
    \brief Definition of the Template class ObsDecoder.
    
    Magics Team - ECMWF 2005
    
    Started: Wed 23-Mar-2005
    
    Changes:
    
*/

#ifndef ObsDecoder_H
#define ObsDecoder_H

#include "magics.h"

#include "ObsDecoderAttributes.h"
#include "Decoder.h"
#include "Data.h"

namespace magics {

class BufrIdentifiers : public map<string, string>
{
public:
	BufrIdentifiers(int centre);
	~BufrIdentifiers() {}
	void set(const map<string, string>&);
	int ident(const string&) const; 	// Return -1 if ident does not exist.
protected:
	int centre_;
};

class BufrIdentTable : public map<int, BufrIdentifiers*>
{
public:
	BufrIdentTable() {}
	static const BufrIdentifiers& get(int centre);

protected: 	
	static  BufrIdentTable table_;
};



class TitleNode;

/*! \brief Reader for obs data in BUFR
  
*/
class ObsDecoder: 
	public ObsDecoderAttributes, 
	public Decoder, 
	public Data,
	public PointsList
{
public:
	ObsDecoder();
	virtual ~ObsDecoder();
	virtual void set(const map<string, string>& map) 
		{  ObsDecoderAttributes::set(map); }

	virtual void decode();

	bool defined() { return file_name_.empty() == false; }
	void getInfo(const std::set<string>&, multimap<string, string>&);	
	void customisedPoints(const Transformation&, const std::set<string>&, CustomisedPointsList&);
	void customisedPoints(const Transformation& t, const std::set<string>& n, CustomisedPointsList& out, bool)
	{
		customisedPoints(t, n, out);
	}
	virtual PointsHandler& points();
	PointsHandler& points(const Transformation&, bool) { return  points(); }
	void visit(TitleNode&);

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

	bool findInTypes(const string&); 
	bool checkLevel(double);

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

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

} // namespace magics
#endif
