217 lines
8.2 KiB
C++
217 lines
8.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include "oox/xls/excelhandlers.hxx"
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#include "oox/core/filterbase.hxx"
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#include "oox/xls/biffinputstream.hxx"
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namespace oox {
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namespace xls {
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// ============================================================================
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using ::oox::core::FilterBase;
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using ::oox::core::FragmentHandler2;
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using ::rtl::OUString;
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// ============================================================================
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// ============================================================================
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WorkbookFragmentBase::WorkbookFragmentBase(
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const WorkbookHelper& rHelper, const OUString& rFragmentPath ) :
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FragmentHandler2( rHelper.getOoxFilter(), rFragmentPath ),
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WorkbookHelper( rHelper )
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{
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}
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// ============================================================================
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WorksheetFragmentBase::WorksheetFragmentBase(
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const WorksheetHelper& rHelper, const OUString& rFragmentPath ) :
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FragmentHandler2( rHelper.getOoxFilter(), rFragmentPath ),
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WorksheetHelper( rHelper )
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{
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}
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// ============================================================================
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// ============================================================================
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BiffContextHandler::~BiffContextHandler()
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{
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}
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// ----------------------------------------------------------------------------
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BiffWorkbookContextBase::BiffWorkbookContextBase( const WorkbookHelper& rHelper ) :
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WorkbookHelper( rHelper )
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{
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}
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// ----------------------------------------------------------------------------
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BiffWorksheetContextBase::BiffWorksheetContextBase( const WorksheetHelper& rHelper ) :
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WorksheetHelper( rHelper )
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{
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}
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// ============================================================================
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namespace {
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const sal_uInt16 BIFF_BOF_GLOBALS = 0x0005; /// BIFF5-BIFF8 workbook globals.
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const sal_uInt16 BIFF_BOF_MODULE = 0x0006; /// BIFF5-BIFF8 Visual Basic module.
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const sal_uInt16 BIFF_BOF_SHEET = 0x0010; /// BIFF2-BIFF8 worksheet/dialog sheet.
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const sal_uInt16 BIFF_BOF_CHART = 0x0020; /// BIFF2-BIFF8 chart sheet.
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const sal_uInt16 BIFF_BOF_MACRO = 0x0040; /// BIFF4-BIFF8 macro sheet.
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const sal_uInt16 BIFF_BOF_WORKSPACE = 0x0100; /// BIFF3-BIFF8 workspace.
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} // namespace
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// ----------------------------------------------------------------------------
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BiffFragmentHandler::BiffFragmentHandler( const FilterBase& rFilter, const OUString& rStrmName )
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{
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// do not automatically close the root stream (indicated by empty stream name)
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bool bRootStrm = rStrmName.isEmpty();
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mxXInStrm.reset( new BinaryXInputStream( rFilter.openInputStream( rStrmName ), !bRootStrm ) );
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mxBiffStrm.reset( new BiffInputStream( *mxXInStrm ) );
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}
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BiffFragmentHandler::~BiffFragmentHandler()
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{
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}
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BiffFragmentType BiffFragmentHandler::startFragment( BiffType eBiff )
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{
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BiffFragmentType eFragment = BIFF_FRAGMENT_UNKNOWN;
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/* #i23425# Don't rely on BOF record ID to read BOF contents, but on
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the detected BIFF version. */
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if( mxBiffStrm->startNextRecord() && BiffHelper::isBofRecord( *mxBiffStrm ) )
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{
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// BOF is always written unencrypted
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mxBiffStrm->enableDecoder( false );
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mxBiffStrm->skip( 2 );
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sal_uInt16 nType = mxBiffStrm->readuInt16();
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// decide which fragment types are valid for current BIFF version
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switch( eBiff )
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{
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case BIFF2: switch( nType )
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{
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case BIFF_BOF_CHART: eFragment = BIFF_FRAGMENT_EMPTYSHEET; break;
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case BIFF_BOF_MACRO: eFragment = BIFF_FRAGMENT_MACROSHEET; break;
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// #i51490# Excel interprets invalid types as worksheet
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default: eFragment = BIFF_FRAGMENT_WORKSHEET;
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}
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break;
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case BIFF3: switch( nType )
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{
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case BIFF_BOF_CHART: eFragment = BIFF_FRAGMENT_EMPTYSHEET; break;
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case BIFF_BOF_MACRO: eFragment = BIFF_FRAGMENT_MACROSHEET; break;
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case BIFF_BOF_WORKSPACE:eFragment = BIFF_FRAGMENT_UNKNOWN; break;
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// #i51490# Excel interprets invalid types as worksheet
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default: eFragment = BIFF_FRAGMENT_WORKSHEET;
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};
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break;
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case BIFF4: switch( nType )
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{
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case BIFF_BOF_CHART: eFragment = BIFF_FRAGMENT_EMPTYSHEET; break;
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case BIFF_BOF_MACRO: eFragment = BIFF_FRAGMENT_MACROSHEET; break;
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case BIFF_BOF_WORKSPACE:eFragment = BIFF_FRAGMENT_WORKSPACE; break;
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// #i51490# Excel interprets invalid types as worksheet
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default: eFragment = BIFF_FRAGMENT_WORKSHEET;
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};
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break;
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case BIFF5:
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case BIFF8: switch( nType )
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{
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case BIFF_BOF_GLOBALS: eFragment = BIFF_FRAGMENT_GLOBALS; break;
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case BIFF_BOF_CHART: eFragment = BIFF_FRAGMENT_CHARTSHEET; break;
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case BIFF_BOF_MACRO: eFragment = BIFF_FRAGMENT_MACROSHEET; break;
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case BIFF_BOF_MODULE: eFragment = BIFF_FRAGMENT_MODULESHEET; break;
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case BIFF_BOF_WORKSPACE:eFragment = BIFF_FRAGMENT_UNKNOWN; break;
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// #i51490# Excel interprets invalid types as worksheet
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default: eFragment = BIFF_FRAGMENT_WORKSHEET;
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};
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break;
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case BIFF_UNKNOWN: break;
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}
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}
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return eFragment;
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}
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bool BiffFragmentHandler::skipFragment()
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{
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while( mxBiffStrm->startNextRecord() && (mxBiffStrm->getRecId() != BIFF_ID_EOF) )
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if( BiffHelper::isBofRecord( *mxBiffStrm ) )
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skipFragment();
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return !mxBiffStrm->isEof() && (mxBiffStrm->getRecId() == BIFF_ID_EOF);
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}
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// ============================================================================
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BiffWorkbookFragmentBase::BiffWorkbookFragmentBase( const WorkbookHelper& rHelper, const OUString& rStrmName, bool bCloneDecoder ) :
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BiffFragmentHandler( rHelper.getBaseFilter(), rStrmName ),
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WorkbookHelper( rHelper )
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{
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if( bCloneDecoder )
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getCodecHelper().cloneDecoder( getInputStream() );
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}
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// ----------------------------------------------------------------------------
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BiffWorksheetFragmentBase::BiffWorksheetFragmentBase( const WorksheetHelper& rHelper, const BiffWorkbookFragmentBase& rParent ) :
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BiffFragmentHandler( rParent ),
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WorksheetHelper( rHelper )
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{
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}
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// ----------------------------------------------------------------------------
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BiffSkipWorksheetFragment::BiffSkipWorksheetFragment( const WorksheetHelper& rHelper, const BiffWorkbookFragmentBase& rParent ) :
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BiffWorksheetFragmentBase( rHelper, rParent )
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{
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}
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bool BiffSkipWorksheetFragment::importFragment()
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{
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return skipFragment();
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}
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// ============================================================================
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// ============================================================================
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} // namespace xls
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} // namespace oox
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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