sc/source/filter/qpro/biff.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_sc.hxx"
  33
  34 #include <sal/config.h>
  35 #include <stdio.h>
  36 #include <sfx2/docfile.hxx>
  37
  38 #include "global.hxx"
  39 #include "scerrors.hxx"
  40 #include "docpool.hxx"
  41 #include "patattr.hxx"
  42 #include "filter.hxx"
  43 #include "document.hxx"
  44 #include "cell.hxx"
  45 #include "biff.hxx"
  46
  47 ScBiffReader::ScBiffReader( SfxMedium & rMedium ) :
  48     mnId(0),
  49     mnLength(0),
  50     mnOffset(0)
  51 {
  52     mpStream = rMedium.GetInStream();
  53     if( mpStream )
  54     {
  55         mpStream->SetBufferSize( 65535 );
  56         mpStream->SetStreamCharSet( RTL_TEXTENCODING_MS_1252 );
  57     }
  58 }
  59
  60 ScBiffReader::~ScBiffReader()
  61 {
  62     if( mpStream )
  63         mpStream->SetBufferSize( 0 );
  64 }
  65
  66 bool ScBiffReader::nextRecord()
  67 {
  68     if( !recordsLeft() )
  69         return false;
  70
  71     if( IsEndOfFile() )
  72         return false;
  73
  74     sal_uInt32 nPos = mpStream->Tell();
  75     if( nPos != mnOffset + mnLength )
  76         mpStream->Seek( mnOffset + mnLength );
  77
  78     mnLength = mnId = 0;
  79     *mpStream >> mnId >> mnLength;
  80
  81     mnOffset = mpStream->Tell();
  82 #ifdef DEBUG
  83     fprintf( stderr, "Read record 0x%x length 0x%x at offset 0x%x\n",
  84         (unsigned)mnId, (unsigned)mnLength, (unsigned)mnOffset );
  85
  86 #if 1  // rather verbose
  87     int len = mnLength;
  88     while (len > 0) {
  89         int i, chunk = len < 16 ? len : 16;
  90         unsigned char data[16];
  91         mpStream->Read( data, chunk );
  92
  93         for (i = 0; i < chunk; i++)
  94             fprintf( stderr, "%.2x ", data[i] );
  95         fprintf( stderr, "| " );
  96         for (i = 0; i < chunk; i++)
  97             fprintf( stderr, "%c", data[i] < 127 && data[i] > 30 ? data[i] : '.' );
  98         fprintf( stderr, "\n" );
  99
 100         len -= chunk;
 101     }
 102     mpStream->Seek( mnOffset );
 103 #endif
 104 #endif
 105     return true;
 106 }
 107