sw/source/filter/inc/fltbase.hxx

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  30 #ifndef __FLTBASE_HXX__
  31 #define __FLTBASE_HXX__
  32
  33 #include <tools/stream.hxx>
  34 #include <tools/string.hxx>
  35
  36 class SwFilterBase
  37 {
  38 protected:
  39     SvStream    *pIn;
  40     sal_Char    *pReadBuff;     //              Groessenangabe
  41     INT32               nBytesLeft;     // noch zu lesende Bytes des aktuelle Records
  42
  43     CharSet             eQuellChar;     // Quell-Zeichensatz (interner Zeichensatz)
  44 //      CharSet         eZielChar;      // Ziel-Zeichensatz
  45
  46     USHORT              nTab;           // z.Zt. bearbeitete Tabelle
  47     USHORT              nReadBuffSize;// temporaerer Lesepuffer mit
  48
  49     // ----------------------------------------------------------
  50     inline void ReadChar( char &rC );
  51     inline void ReadByte( BYTE &rN );
  52     inline void Read( short &rN );
  53     inline void ReadUnicode( sal_Unicode &rU );
  54     inline void Read( BYTE &rN0, USHORT &rN1, USHORT &rN2 );
  55     inline void Read( USHORT &rN );
  56     inline void Read( USHORT &rN1, USHORT &rN2 );
  57     inline void Read( USHORT &rN1, USHORT &rN2, USHORT &rN3, USHORT &rN4 );
  58     inline void Read( double &rF );
  59             void Read( String &rS );            // liest 0-terminierten C-String!
  60     inline void ClearBytesLeft( void );
  61 };
  62
  63
  64 inline void SwFilterBase::ReadChar( char &rC )
  65     {
  66     *pIn >> rC;
  67     nBytesLeft--;
  68     }
  69
  70 inline void SwFilterBase::ReadByte( BYTE &rN )
  71     {
  72     *pIn >> rN;
  73     nBytesLeft--;
  74     }
  75
  76 inline void SwFilterBase::ReadUnicode( sal_Unicode &rU )
  77 {
  78     {
  79     sal_Char cC;
  80     *pIn >> cC;
  81     rU = ByteString::ConvertToUnicode(cC, eQuellChar);
  82     nBytesLeft--;
  83     }
  84 }
  85
  86 inline void SwFilterBase::Read( short &rN )
  87     {
  88     *pIn >> rN;
  89     nBytesLeft -= 2;
  90     }
  91
  92 inline void SwFilterBase::Read( BYTE &rN0, USHORT &rN1, USHORT &rN2 )
  93     {
  94     *pIn >> rN0 >> rN1 >> rN2;
  95     nBytesLeft -= 5;
  96     }
  97
  98 inline void SwFilterBase::Read( USHORT &rN )
  99     {
 100     *pIn >> rN;
 101     nBytesLeft -= 2;
 102     }
 103
 104 inline void SwFilterBase::Read( USHORT &rN1, USHORT &rN2 )
 105     {
 106     *pIn >> rN1 >> rN2;
 107     nBytesLeft -= 4;
 108     }
 109
 110 inline void SwFilterBase::Read( USHORT &rN1, USHORT &rN2, USHORT &rN3, USHORT &rN4 )
 111     {
 112     *pIn >> rN1 >> rN2 >> rN3 >> rN4;
 113     nBytesLeft -= 8;
 114     }
 115
 116 inline void SwFilterBase::Read( double &rF )
 117     {
 118     *pIn >> rF;
 119     nBytesLeft -= 8;
 120     }
 121
 122 inline void SwFilterBase::ClearBytesLeft( void )
 123     {
 124     pIn->SeekRel( nBytesLeft );
 125     nBytesLeft = 0;
 126     }
 127
 128
 129 #endif
 130