#ifndef __RTFPARSEHELPERS_H__
#define __RTFPARSEHELPERS_H__

#include "reference.h"
#include "sablo.h"
#include "rtfformatting.h"

#include <string>
using std::wstring;
using std::string;

class RtfParser;

class Destination :
	public Instance
{
public:
	// This is called when the Destination is first used
	virtual void initialize() {};
	// Called when data arrives at destination
	virtual void charData(wstring data) {};
	// Called when the Destination goes out of scope
	virtual void done() {};

protected:
	RtfParser* m_parser;
	friend class RtfParser;
};


class Analyser :
	public Instance
{
public:
	// This is called when the Analyser is first used
	virtual void initialize() {};
	// Called when a control word is seen
	virtual void controlWord(const string& cw, int flags, int param) {};
	// Called when a group is seen within this scope
	virtual void groupStart() {};
	// Called when a group ends within this scope
	virtual void groupEnd() {};
	// Called when when this analyser goes out of scope
	virtual void done() {};

protected:
	RtfParser* m_parser;
	friend class RtfParser;
};

class Level;

typedef Reference<Destination> DestinationPtr;
typedef Reference<Analyser> AnalyserPtr;
typedef Reference<Level> LevelPtr;

class Level :
	public Instance
{
public:
	Level();
	virtual ~Level();

	LevelPtr getPrevious();
	LevelPtr pushLevel();

	DOM::Element getElement();
	void setElement(DOM::Element element, bool deep = false);
	AnalyserPtr getAnalyser();
	void setAnalyser(AnalyserPtr analyser, bool deep = false);
	DestinationPtr getDestination();
	void setDestination(DestinationPtr destination, bool deep = false);
	RtfFormatting& getFormatting();
	void setTextProperties(RtfFormatting& textProperties);

protected:
	Level(const Level& level);

	LevelPtr m_previous;
	DOM::Element m_element;
	RtfFormatting m_text;
	DestinationPtr m_destination;
	AnalyserPtr m_analyser;
};


#endif //__RTFPARSEHELPERS_H__