/*
 * (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 XmlReader.h
    \brief Definition of the Template class XmlReader.
    \author Meteorological Visualisation Section, ECMWF

    Started: Jun-2005

*/

#ifndef XmlReader_H
#define XmlReader_H

#include <stack>

#include "magics.h"
#include "XmlTree.h"

namespace magics {
	
class XmlReader : private std::stack<XmlNode*> {

public:
	XmlReader(bool tag=false);
	virtual ~XmlReader();
	void interpret(const string&, XmlTree*);
	int decode(const string&, XmlTree*);
	void newElement(const string&, const map<string, string>&);
	void endElement(const string&);
	void addData(const string&);
	
	bool dataAsTag() { return dataAsTag_; }

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

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

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

} // namespace magics
#endif
