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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include <stdio.h>
#include <sfx2/docfile.hxx>
#include "global.hxx"
#include "scerrors.hxx"
#include "docpool.hxx"
#include "patattr.hxx"
#include "filter.hxx"
#include "document.hxx"
#include "formulacell.hxx"
#include "biff.hxx"
ScBiffReader::ScBiffReader(SfxMedium& rMedium)
: mnId(0)
, mnLength(0)
, mnOffset(0)
, mbEndOfFile(false)
{
mpStream = rMedium.GetInStream();
if( mpStream )
{
mpStream->SetBufferSize( 65535 );
mpStream->SetStreamCharSet( RTL_TEXTENCODING_MS_1252 );
}
}
ScBiffReader::~ScBiffReader()
{
if( mpStream )
mpStream->SetBufferSize( 0 );
}
bool ScBiffReader::nextRecord()
{
if( !recordsLeft() )
return false;
if( IsEndOfFile() )
return false;
sal_uInt32 nPos = mpStream->Tell();
if( nPos != mnOffset + mnLength )
mpStream->Seek( mnOffset + mnLength );
mnLength = mnId = 0;
mpStream->ReadUInt16( mnId ).ReadUInt16( mnLength );
mnOffset = mpStream->Tell();
#if OSL_DEBUG_LEVEL > 1
fprintf( stderr, "Read record 0x%x length 0x%x at offset 0x%x\n",
(unsigned)mnId, (unsigned)mnLength, (unsigned)mnOffset );
#if 1 // rather verbose
int len = mnLength;
while (len > 0) {
int i, chunk = len < 16 ? len : 16;
unsigned char data[16];
mpStream->Read( data, chunk );
for (i = 0; i < chunk; i++)
fprintf( stderr, "%.2x ", data[i] );
fprintf( stderr, "| " );
for (i = 0; i < chunk; i++)
fprintf( stderr, "%c", data[i] < 127 && data[i] > 30 ? data[i] : '.' );
fprintf( stderr, "\n" );
len -= chunk;
}
mpStream->Seek( mnOffset );
#endif
#endif
return true;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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