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#ifndef _PARRTF_HXX
#define _PARRTF_HXX

#include "svtools/svtdllapi.h"
#include <svtools/svparser.hxx>
#include <svl/svarray.hxx>

struct RtfParserState_Impl
{
    rtl_TextEncoding eCodeSet;
    BYTE nUCharOverread;

    RtfParserState_Impl( BYTE nUOverread, rtl_TextEncoding eCdSt )
        : eCodeSet( eCdSt ), nUCharOverread( nUOverread )
    {}
};

SV_DECL_VARARR( RtfParserStates_Impl, RtfParserState_Impl, 16, 16 )

class SVT_DLLPUBLIC SvRTFParser : public SvParser
{
    RtfParserStates_Impl aParserStates;

    int nOpenBrakets;
    rtl_TextEncoding eCodeSet, eUNICodeSet;
    BYTE nUCharOverread;

private:
    static short _inSkipGroup;

protected:
    sal_Unicode GetHexValue();
    void ScanText( const sal_Unicode = 0 );
    void SkipGroup();

    // scanne das naechste Token,
    virtual int _GetNextToken();

    virtual void ReadUnknownData();
    virtual void ReadBitmapData();
    virtual void ReadOLEData();

    virtual ~SvRTFParser();

    rtl_TextEncoding GetCodeSet() const             { return eCodeSet; }
    void SetEncoding( rtl_TextEncoding eEnc );

    rtl_TextEncoding GetUNICodeSet() const          { return eUNICodeSet; }
    void SetUNICodeSet( rtl_TextEncoding eSet )     { eUNICodeSet = eSet; }

public:
    SvRTFParser( SvStream& rIn, BYTE nStackSize = 3 );

    virtual SvParserState CallParser();   // Aufruf des Parsers

    int GetOpenBrakets() const { return nOpenBrakets; }

    // fuers asynchrone lesen aus dem SvStream
//  virtual void SaveState( int nToken );
//  virtual void RestoreState();
    virtual void Continue( int nToken );
};

#endif //_PARRTF_HXX

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