sc/source/filter/qpro/biff.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/config.h>
  21 #include <stdio.h>
  22 #include <sfx2/docfile.hxx>
  23
  24 #include "global.hxx"
  25 #include "scerrors.hxx"
  26 #include "docpool.hxx"
  27 #include "patattr.hxx"
  28 #include "filter.hxx"
  29 #include "document.hxx"
  30 #include "formulacell.hxx"
  31 #include "biff.hxx"
  32
  33 ScBiffReader::ScBiffReader(SfxMedium& rMedium)
  34     : mnId(0)
  35     , mnLength(0)
  36     , mnOffset(0)
  37     , mbEndOfFile(false)
  38 {
  39     mpStream = rMedium.GetInStream();
  40     if( mpStream )
  41     {
  42         mpStream->SetBufferSize( 65535 );
  43         mpStream->SetStreamCharSet( RTL_TEXTENCODING_MS_1252 );
  44     }
  45 }
  46
  47 ScBiffReader::~ScBiffReader()
  48 {
  49     if( mpStream )
  50         mpStream->SetBufferSize( 0 );
  51 }
  52
  53 bool ScBiffReader::nextRecord()
  54 {
  55     if( !recordsLeft() )
  56         return false;
  57
  58     if( IsEndOfFile() )
  59         return false;
  60
  61     sal_uInt32 nPos = mpStream->Tell();
  62     if( nPos != mnOffset + mnLength )
  63         mpStream->Seek( mnOffset + mnLength );
  64
  65     mnLength = mnId = 0;
  66     mpStream->ReadUInt16( mnId ).ReadUInt16( mnLength );
  67
  68     mnOffset = mpStream->Tell();
  69 #if OSL_DEBUG_LEVEL > 1
  70     fprintf( stderr, "Read record 0x%x length 0x%x at offset 0x%x\n",
  71         (unsigned)mnId, (unsigned)mnLength, (unsigned)mnOffset );
  72
  73 #if 1  // rather verbose
  74     int len = mnLength;
  75     while (len > 0) {
  76         int i, chunk = len < 16 ? len : 16;
  77         unsigned char data[16];
  78         mpStream->Read( data, chunk );
  79
  80         for (i = 0; i < chunk; i++)
  81             fprintf( stderr, "%.2x ", data[i] );
  82         fprintf( stderr, "| " );
  83         for (i = 0; i < chunk; i++)
  84             fprintf( stderr, "%c", data[i] < 127 && data[i] > 30 ? data[i] : '.' );
  85         fprintf( stderr, "\n" );
  86
  87         len -= chunk;
  88     }
  89     mpStream->Seek( mnOffset );
  90 #endif
  91 #endif
  92     return true;
  93 }
  94
  95 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */