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#ifndef NF_NUMHEAD_HXX
#define NF_NUMHEAD_HXX

#include <tools/stream.hxx>

namespace binfilter
{

// -----------------------------------------------------------------------

        //	"Automatischer" Record-Header mit Groessenangabe

/* 						wird fuer SvNumberFormatter nicht gebraucht
class SvNumReadHeader
{
private:
    SvStream&	rStream;
    ULONG		nDataEnd;

public:
    SvNumReadHeader(SvStream& rNewStream);
    ~SvNumReadHeader();

    ULONG	BytesLeft() const;
};

class SvNumWriteHeader
{
private:
    SvStream&	rStream;
    ULONG		nDataPos;
    ULONG		nDataSize;

public:
    SvNumWriteHeader(SvStream& rNewStream, ULONG nDefault = 0);
    ~SvNumWriteHeader();
};

*/

        //	Header mit Groessenangaben fuer mehrere Objekte

class ImpSvNumMultipleReadHeader
{
private:
    SvStream&		rStream;
    char*			pBuf;
    SvMemoryStream*	pMemStream;
    ULONG			nEndPos;
    ULONG			nEntryEnd;

public:
    ImpSvNumMultipleReadHeader(SvStream& rNewStream);
    ~ImpSvNumMultipleReadHeader();

    void	StartEntry();
    void	EndEntry();
    ULONG	BytesLeft() const;

    static void Skip( SvStream& );		// komplett ueberspringen
};

class ImpSvNumMultipleWriteHeader
{
private:
    SvStream&		rStream;
    SvMemoryStream	aMemStream;
    ULONG			nDataPos;
    sal_uInt32		nDataSize;
    ULONG			nEntryStart;

public:
    ImpSvNumMultipleWriteHeader(SvStream& rNewStream, ULONG nDefault = 0);
    ~ImpSvNumMultipleWriteHeader();

    void	StartEntry();
    void	EndEntry();
};

}

#endif


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