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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 <externallinkbuffer.hxx>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/sheet/DDELinkInfo.hpp>
#include <com/sun/star/sheet/ExternalLinkType.hpp>
#include <com/sun/star/sheet/XDDELinks.hpp>
#include <com/sun/star/sheet/XDDELinkResults.hpp>
#include <com/sun/star/sheet/XExternalDocLinks.hpp>
#include <osl/diagnose.h>
#include <sal/log.hxx>
#include <oox/core/filterbase.hxx>
#include <oox/helper/attributelist.hxx>
#include <oox/helper/binaryinputstream.hxx>
#include <oox/token/namespaces.hxx>
#include <oox/token/properties.hxx>
#include <oox/core/relations.hxx>
#include <oox/token/tokens.hxx>
#include <addressconverter.hxx>
#include <biffhelper.hxx>
namespace oox::xls {
using namespace ::com::sun::star::sheet;
using namespace ::com::sun::star::uno;
using ::oox::core::Relation;
using ::oox::core::Relations;
namespace {
const sal_uInt16 BIFF12_EXTERNALBOOK_BOOK = 0;
const sal_uInt16 BIFF12_EXTERNALBOOK_DDE = 1;
const sal_uInt16 BIFF12_EXTERNALBOOK_OLE = 2;
const sal_uInt16 BIFF12_EXTNAME_AUTOMATIC = 0x0002;
const sal_uInt16 BIFF12_EXTNAME_PREFERPIC = 0x0004;
const sal_uInt16 BIFF12_EXTNAME_STDDOCNAME = 0x0008;
const sal_uInt16 BIFF12_EXTNAME_OLEOBJECT = 0x0010;
const sal_uInt16 BIFF12_EXTNAME_ICONIFIED = 0x0020;
} // namespace
ExternalNameModel::ExternalNameModel() :
mbNotify( false ),
mbPreferPic( false ),
mbStdDocName( false ),
mbOleObj( false ),
mbIconified( false )
{
}
ExternalName::ExternalName( const ExternalLink& rParentLink ) :
DefinedNameBase( rParentLink ),
mrParentLink( rParentLink ),
mbDdeLinkCreated( false )
{
}
void ExternalName::importDefinedName( const AttributeList& rAttribs )
{
maModel.maName = rAttribs.getXString( XML_name, OUString() );
OSL_ENSURE( !maModel.maName.isEmpty(), "ExternalName::importDefinedName - empty name" );
// zero-based index into sheet list of externalBook
maModel.mnSheet = rAttribs.getInteger( XML_sheetId, -1 );
}
void ExternalName::importDdeItem( const AttributeList& rAttribs )
{
maModel.maName = rAttribs.getXString( XML_name, OUString() );
OSL_ENSURE( !maModel.maName.isEmpty(), "ExternalName::importDdeItem - empty name" );
maExtNameModel.mbOleObj = false;
maExtNameModel.mbStdDocName = rAttribs.getBool( XML_ole, false );
maExtNameModel.mbNotify = rAttribs.getBool( XML_advise, false );
maExtNameModel.mbPreferPic = rAttribs.getBool( XML_preferPic, false );
}
void ExternalName::importValues( const AttributeList& rAttribs )
{
setResultSize( rAttribs.getInteger( XML_cols, 1 ), rAttribs.getInteger( XML_rows, 1 ) );
}
void ExternalName::importOleItem( const AttributeList& rAttribs )
{
maModel.maName = rAttribs.getXString( XML_name, OUString() );
OSL_ENSURE( !maModel.maName.isEmpty(), "ExternalName::importOleItem - empty name" );
maExtNameModel.mbOleObj = true;
maExtNameModel.mbNotify = rAttribs.getBool( XML_advise, false );
maExtNameModel.mbPreferPic = rAttribs.getBool( XML_preferPic, false );
maExtNameModel.mbIconified = rAttribs.getBool( XML_icon, false );
}
void ExternalName::importExternalName( SequenceInputStream& rStrm )
{
rStrm >> maModel.maName;
OSL_ENSURE( !maModel.maName.isEmpty(), "ExternalName::importExternalName - empty name" );
}
void ExternalName::importExternalNameFlags( SequenceInputStream& rStrm )
{
sal_uInt16 nFlags;
sal_Int32 nSheetId;
nFlags = rStrm.readuInt16();
nSheetId = rStrm.readInt32();
// index into sheet list of EXTSHEETNAMES (one-based in BIFF12)
maModel.mnSheet = nSheetId - 1;
// no flag for built-in names, as in OOXML...
maExtNameModel.mbNotify = getFlag( nFlags, BIFF12_EXTNAME_AUTOMATIC );
maExtNameModel.mbPreferPic = getFlag( nFlags, BIFF12_EXTNAME_PREFERPIC );
maExtNameModel.mbStdDocName = getFlag( nFlags, BIFF12_EXTNAME_STDDOCNAME );
maExtNameModel.mbOleObj = getFlag( nFlags, BIFF12_EXTNAME_OLEOBJECT );
maExtNameModel.mbIconified = getFlag( nFlags, BIFF12_EXTNAME_ICONIFIED );
OSL_ENSURE( (mrParentLink.getLinkType() == ExternalLinkType::OLE) == maExtNameModel.mbOleObj,
"ExternalName::importExternalNameFlags - wrong OLE flag in external name" );
}
void ExternalName::importDdeItemValues( SequenceInputStream& rStrm )
{
sal_Int32 nRows, nCols;
nRows = rStrm.readInt32();
nCols = rStrm.readInt32();
setResultSize( nCols, nRows );
}
void ExternalName::importDdeItemBool( SequenceInputStream& rStrm )
{
appendResultValue< double >( (rStrm.readuInt8() == 0) ? 0.0 : 1.0 );
}
void ExternalName::importDdeItemDouble( SequenceInputStream& rStrm )
{
appendResultValue( rStrm.readDouble() );
}
void ExternalName::importDdeItemError( SequenceInputStream& rStrm )
{
appendResultValue( BiffHelper::calcDoubleFromError( rStrm.readuInt8() ) );
}
void ExternalName::importDdeItemString( SequenceInputStream& rStrm )
{
appendResultValue( BiffHelper::readString( rStrm ) );
}
bool ExternalName::getDdeItemInfo( DDEItemInfo& orItemInfo ) const
{
if( (mrParentLink.getLinkType() == ExternalLinkType::DDE) && !maModel.maName.isEmpty() )
{
orItemInfo.Item = maModel.maName;
orItemInfo.Results = ContainerHelper::matrixToSequenceSequence( maResults );
return true;
}
return false;
}
bool ExternalName::getDdeLinkData( OUString& orDdeServer, OUString& orDdeTopic, OUString& orDdeItem )
{
if( (mrParentLink.getLinkType() == ExternalLinkType::DDE) && !maModel.maName.isEmpty() )
{
// try to create a DDE link and to set the imported link results
if( !mbDdeLinkCreated ) try
{
PropertySet aDocProps( getDocument() );
Reference< XDDELinks > xDdeLinks( aDocProps.getAnyProperty( PROP_DDELinks ), UNO_QUERY_THROW );
mxDdeLink = xDdeLinks->addDDELink( mrParentLink.getClassName(), mrParentLink.getTargetUrl(), maModel.maName, css::sheet::DDELinkMode_DEFAULT );
mbDdeLinkCreated = true; // ignore if setting results fails
if( !maResults.empty() )
{
Reference< XDDELinkResults > xResults( mxDdeLink, UNO_QUERY_THROW );
xResults->setResults( ContainerHelper::matrixToSequenceSequence( maResults ) );
}
}
catch( Exception& )
{
OSL_FAIL( "ExternalName::getDdeLinkData - cannot create DDE link" );
}
// get link data from created DDE link
if( mxDdeLink.is() )
{
orDdeServer = mxDdeLink->getApplication();
orDdeTopic = mxDdeLink->getTopic();
orDdeItem = mxDdeLink->getItem();
return true;
}
}
return false;
}
// private --------------------------------------------------------------------
void ExternalName::setResultSize( sal_Int32 nColumns, sal_Int32 nRows )
{
OSL_ENSURE( (mrParentLink.getLinkType() == ExternalLinkType::DDE) || (mrParentLink.getLinkType() == ExternalLinkType::OLE),
"ExternalName::setResultSize - wrong link type" );
OSL_ENSURE( (nRows > 0) && (nColumns > 0), "ExternalName::setResultSize - invalid matrix size" );
const ScAddress& rMaxPos = getAddressConverter().getMaxApiAddress();
if( (0 < nRows) && (nRows <= rMaxPos.Row() + 1) && (0 < nColumns) && (nColumns <= rMaxPos.Col() + 1) )
maResults.resize( static_cast< size_t >( nColumns ), static_cast< size_t >( nRows ), Any( BiffHelper::calcDoubleFromError( BIFF_ERR_NA ) ) );
else
maResults.clear();
maCurrIt = maResults.begin();
}
void LinkSheetRange::setDeleted()
{
meType = LINKSHEETRANGE_INTERNAL;
mnDocLink = mnFirst = mnLast = -1;
}
void LinkSheetRange::setSameSheet()
{
meType = LINKSHEETRANGE_SAMESHEET;
mnDocLink = -1;
mnFirst = mnLast = 0;
}
void LinkSheetRange::setRange( sal_Int32 nFirst, sal_Int32 nLast )
{
meType = LINKSHEETRANGE_INTERNAL;
mnDocLink = -1;
mnFirst = ::std::min( nFirst, nLast );
mnLast = ::std::max( nFirst, nLast );
}
void LinkSheetRange::setExternalRange( sal_Int32 nDocLink, sal_Int32 nFirst, sal_Int32 nLast )
{
if( nDocLink < 0 )
{
setDeleted();
}
else
{
meType = LINKSHEETRANGE_EXTERNAL;
mnDocLink = nDocLink;
mnFirst = ::std::min( nFirst, nLast );
mnLast = ::std::max( nFirst, nLast );
}
}
ExternalLink::ExternalLink( const WorkbookHelper& rHelper ) :
WorkbookHelper( rHelper ),
meLinkType( ExternalLinkType::Unknown ),
meFuncLibType( FUNCLIB_UNKNOWN )
{
}
void ExternalLink::importExternalReference( const AttributeList& rAttribs )
{
maRelId = rAttribs.getString( R_TOKEN( id ), OUString() );
}
void ExternalLink::importExternalBook( const Relations& rRelations, const AttributeList& rAttribs )
{
parseExternalReference( rRelations, rAttribs.getString( R_TOKEN( id ), OUString() ) );
}
void ExternalLink::importSheetName( const AttributeList& rAttribs )
{
insertExternalSheet( rAttribs.getXString( XML_val, OUString() ) );
}
void ExternalLink::importDefinedName( const AttributeList& rAttribs )
{
createExternalName()->importDefinedName( rAttribs );
}
void ExternalLink::importDdeLink( const AttributeList& rAttribs )
{
OUString aDdeService = rAttribs.getXString( XML_ddeService, OUString() );
OUString aDdeTopic = rAttribs.getXString( XML_ddeTopic, OUString() );
setDdeOleTargetUrl( aDdeService, aDdeTopic, ExternalLinkType::DDE );
}
ExternalNameRef ExternalLink::importDdeItem( const AttributeList& rAttribs )
{
ExternalNameRef xExtName = createExternalName();
xExtName->importDdeItem( rAttribs );
return xExtName;
}
void ExternalLink::importOleLink( const Relations& rRelations, const AttributeList& rAttribs )
{
OUString aProgId = rAttribs.getXString( XML_progId, OUString() );
OUString aTargetUrl = rRelations.getExternalTargetFromRelId( rAttribs.getString( R_TOKEN( id ), OUString() ) );
setDdeOleTargetUrl( aProgId, aTargetUrl, ExternalLinkType::OLE );
}
ExternalNameRef ExternalLink::importOleItem( const AttributeList& rAttribs )
{
ExternalNameRef xExtName = createExternalName();
xExtName->importOleItem( rAttribs );
return xExtName;
}
void ExternalLink::importExternalRef( SequenceInputStream& rStrm )
{
rStrm >> maRelId;
}
void ExternalLink::importExternalSelf( SequenceInputStream& )
{
meLinkType = ExternalLinkType::Self;
}
void ExternalLink::importExternalSame( SequenceInputStream& )
{
meLinkType = ExternalLinkType::Same;
}
void ExternalLink::importExternalAddin( SequenceInputStream& )
{
meLinkType = ExternalLinkType::Unknown;
}
void ExternalLink::importExternalBook( const Relations& rRelations, SequenceInputStream& rStrm )
{
switch( rStrm.readuInt16() )
{
case BIFF12_EXTERNALBOOK_BOOK:
parseExternalReference( rRelations, BiffHelper::readString( rStrm ) );
break;
case BIFF12_EXTERNALBOOK_DDE:
{
OUString aDdeService, aDdeTopic;
rStrm >> aDdeService >> aDdeTopic;
setDdeOleTargetUrl( aDdeService, aDdeTopic, ExternalLinkType::DDE );
}
break;
case BIFF12_EXTERNALBOOK_OLE:
{
OUString aTargetUrl = rRelations.getExternalTargetFromRelId( BiffHelper::readString( rStrm ) );
OUString aProgId = BiffHelper::readString( rStrm );
setDdeOleTargetUrl( aProgId, aTargetUrl, ExternalLinkType::OLE );
}
break;
default:
OSL_FAIL( "ExternalLink::importExternalBook - unknown link type" );
}
}
void ExternalLink::importExtSheetNames( SequenceInputStream& rStrm )
{
// load external sheet names and create the sheet caches in the Calc document
SAL_WARN_IF( (meLinkType != ExternalLinkType::External) && (meLinkType != ExternalLinkType::Library),
"sc.filter",
"Invalid link type: " << meLinkType );
if( meLinkType == ExternalLinkType::External ) // ignore sheets of external libraries
for( sal_Int32 nSheet = 0, nCount = rStrm.readInt32(); !rStrm.isEof() && (nSheet < nCount); ++nSheet )
insertExternalSheet( BiffHelper::readString( rStrm ) );
}
ExternalNameRef ExternalLink::importExternalName( SequenceInputStream& rStrm )
{
ExternalNameRef xExtName = createExternalName();
xExtName->importExternalName( rStrm );
return xExtName;
}
ExternalLinkInfo ExternalLink::getLinkInfo() const
{
ExternalLinkInfo aLinkInfo;
switch( meLinkType )
{
case ExternalLinkType::Self:
case ExternalLinkType::Same:
aLinkInfo.Type = css::sheet::ExternalLinkType::SELF;
break;
case ExternalLinkType::External:
aLinkInfo.Type = css::sheet::ExternalLinkType::DOCUMENT;
aLinkInfo.Data <<= maTargetUrl;
break;
case ExternalLinkType::Library:
// parser will return library function names in OPCODE_BAD string tokens
aLinkInfo.Type = css::sheet::ExternalLinkType::SPECIAL;
break;
case ExternalLinkType::DDE:
{
aLinkInfo.Type = css::sheet::ExternalLinkType::DDE;
DDELinkInfo aDdeLinkInfo;
aDdeLinkInfo.Service = maClassName;
aDdeLinkInfo.Topic = maTargetUrl;
::std::vector< DDEItemInfo > aItemInfos;
DDEItemInfo aItemInfo;
for( const auto& rxExtName : maExtNames )
if( rxExtName->getDdeItemInfo( aItemInfo ) )
aItemInfos.push_back( aItemInfo );
aDdeLinkInfo.Items = ContainerHelper::vectorToSequence( aItemInfos );
aLinkInfo.Data <<= aDdeLinkInfo;
}
break;
default:
aLinkInfo.Type = css::sheet::ExternalLinkType::UNKNOWN;
}
return aLinkInfo;
}
FunctionLibraryType ExternalLink::getFuncLibraryType() const
{
return (meLinkType == ExternalLinkType::Library) ? meFuncLibType : FUNCLIB_UNKNOWN;
}
sal_Int32 ExternalLink::getDocumentLinkIndex() const
{
OSL_ENSURE( meLinkType == ExternalLinkType::External, "ExternalLink::getDocumentLinkIndex - invalid link type" );
return mxDocLink.is() ? mxDocLink->getTokenIndex() : -1;
}
sal_Int32 ExternalLink::getSheetCacheIndex( sal_Int32 nTabId ) const
{
OSL_ENSURE( meLinkType == ExternalLinkType::External, "ExternalLink::getSheetCacheIndex - invalid link type" );
return ContainerHelper::getVectorElement( maSheetCaches, nTabId, -1 );
}
Reference< XExternalSheetCache > ExternalLink::getSheetCache( sal_Int32 nTabId ) const
{
sal_Int32 nCacheIdx = getSheetCacheIndex( nTabId );
if( mxDocLink.is() && (nCacheIdx >= 0) ) try
{
// existing mxDocLink implies that this is an external link
Reference< XExternalSheetCache > xSheetCache( mxDocLink->getByIndex( nCacheIdx ), UNO_QUERY_THROW );
return xSheetCache;
}
catch( Exception& )
{
}
return nullptr;
}
void ExternalLink::getSheetRange( LinkSheetRange& orSheetRange, sal_Int32 nTabId1, sal_Int32 nTabId2 ) const
{
switch( meLinkType )
{
case ExternalLinkType::Same:
orSheetRange.setSameSheet();
break;
case ExternalLinkType::Self:
orSheetRange.setRange( nTabId1, nTabId2 );
break;
case ExternalLinkType::External:
{
sal_Int32 nDocLinkIdx = getDocumentLinkIndex();
// BIFF12: passed indexes point into sheet list of EXTSHEETLIST
orSheetRange.setExternalRange( nDocLinkIdx, getSheetCacheIndex( nTabId1 ), getSheetCacheIndex( nTabId2 ) );
}
break;
default:
// unsupported/unexpected link type: #REF! error
orSheetRange.setDeleted();
}
}
ExternalNameRef ExternalLink::getNameByIndex( sal_Int32 nIndex ) const
{
return maExtNames.get( nIndex );
}
// private --------------------------------------------------------------------
void ExternalLink::setExternalTargetUrl( const OUString& rTargetUrl, const OUString& rTargetType )
{
meLinkType = ExternalLinkType::Unknown;
if( rTargetType == CREATE_OFFICEDOC_RELATION_TYPE( "externalLinkPath" ) ||
rTargetType == CREATE_OFFICEDOC_RELATION_TYPE_STRICT( "externalLinkPath" ) )
{
maTargetUrl = getBaseFilter().getAbsoluteUrl( rTargetUrl );
if( !maTargetUrl.isEmpty() )
meLinkType = ExternalLinkType::External;
}
else if( rTargetType == CREATE_MSOFFICE_RELATION_TYPE( "xlExternalLinkPath/xlPathMissing" ) )
{
meLinkType = ExternalLinkType::PathMissing;
}
else if( rTargetType == CREATE_MSOFFICE_RELATION_TYPE( "xlExternalLinkPath/xlLibrary" ) )
{
meLinkType = ExternalLinkType::Library;
meFuncLibType = FunctionProvider::getFuncLibTypeFromLibraryName( rTargetUrl );
}
SAL_WARN_IF( meLinkType == ExternalLinkType::Unknown, "sc.filter", "Empty target URL or unknown target type, URL='" << rTargetUrl << "', type='" << rTargetType << "'" );
// create the external document link API object that will contain the sheet caches
if( meLinkType == ExternalLinkType::External ) try
{
PropertySet aDocProps( getDocument() );
Reference< XExternalDocLinks > xDocLinks( aDocProps.getAnyProperty( PROP_ExternalDocLinks ), UNO_QUERY_THROW );
mxDocLink = xDocLinks->addDocLink( maTargetUrl );
}
catch( Exception& )
{
}
}
void ExternalLink::setDdeOleTargetUrl( const OUString& rClassName, const OUString& rTargetUrl, ExternalLinkType eLinkType )
{
maClassName = rClassName;
maTargetUrl = rTargetUrl;
meLinkType = (maClassName.isEmpty() || maTargetUrl.isEmpty()) ? ExternalLinkType::Unknown : eLinkType;
OSL_ENSURE( meLinkType == eLinkType, "ExternalLink::setDdeOleTargetUrl - missing classname or target" );
}
void ExternalLink::parseExternalReference( const Relations& rRelations, const OUString& rRelId )
{
if( const Relation* pRelation = rRelations.getRelationFromRelId( rRelId ) )
setExternalTargetUrl( pRelation->maTarget, pRelation->maType );
}
void ExternalLink::insertExternalSheet( const OUString& rSheetName )
{
OSL_ENSURE( !rSheetName.isEmpty(), "ExternalLink::insertExternalSheet - empty sheet name" );
if( mxDocLink.is() )
{
Reference< XExternalSheetCache > xSheetCache = mxDocLink->addSheetCache( rSheetName, false );
sal_Int32 nCacheIdx = xSheetCache.is() ? xSheetCache->getTokenIndex() : -1;
maSheetCaches.push_back( nCacheIdx );
}
}
ExternalNameRef ExternalLink::createExternalName()
{
ExternalNameRef xExtName = std::make_shared<ExternalName>( *this );
maExtNames.push_back( xExtName );
return xExtName;
}
RefSheetsModel::RefSheetsModel() :
mnExtRefId( -1 ),
mnTabId1( -1 ),
mnTabId2( -1 )
{
}
void RefSheetsModel::readBiff12Data( SequenceInputStream& rStrm )
{
mnExtRefId = rStrm.readInt32();
mnTabId1 = rStrm.readInt32();
mnTabId2 = rStrm.readInt32();
}
ExternalLinkBuffer::ExternalLinkBuffer( const WorkbookHelper& rHelper ) :
WorkbookHelper( rHelper ),
mxSelfRef( std::make_shared<ExternalLink>( rHelper ) ),
mbUseRefSheets( false )
{
mxSelfRef->setSelfLinkType();
}
ExternalLinkRef ExternalLinkBuffer::importExternalReference( const AttributeList& rAttribs )
{
ExternalLinkRef xExtLink = createExternalLink();
xExtLink->importExternalReference( rAttribs );
maExtLinks.push_back( xExtLink );
return xExtLink;
}
ExternalLinkRef ExternalLinkBuffer::importExternalRef( SequenceInputStream& rStrm )
{
mbUseRefSheets = true;
ExternalLinkRef xExtLink = createExternalLink();
xExtLink->importExternalRef( rStrm );
maExtLinks.push_back( xExtLink );
return xExtLink;
}
void ExternalLinkBuffer::importExternalSelf( SequenceInputStream& rStrm )
{
mbUseRefSheets = true;
createExternalLink()->importExternalSelf( rStrm );
}
void ExternalLinkBuffer::importExternalSame( SequenceInputStream& rStrm )
{
mbUseRefSheets = true;
createExternalLink()->importExternalSame( rStrm );
}
void ExternalLinkBuffer::importExternalAddin( SequenceInputStream& rStrm )
{
mbUseRefSheets = true;
createExternalLink()->importExternalAddin( rStrm );
}
void ExternalLinkBuffer::importExternalSheets( SequenceInputStream& rStrm )
{
OSL_ENSURE( mbUseRefSheets, "ExternalLinkBuffer::importExternalSheets - missing EXTERNALREFS records" );
mbUseRefSheets = true;
OSL_ENSURE( maRefSheets.empty(), "ExternalLinkBuffer::importExternalSheets - multiple EXTERNALSHEETS records" );
maRefSheets.clear();
sal_Int32 nRefCount;
nRefCount = rStrm.readInt32();
size_t nMaxCount = getLimitedValue< size_t, sal_Int64 >( nRefCount, 0, rStrm.getRemaining() / 12 );
maRefSheets.reserve( nMaxCount );
for( size_t nRefId = 0; !rStrm.isEof() && (nRefId < nMaxCount); ++nRefId )
{
RefSheetsModel aRefSheets;
aRefSheets.readBiff12Data( rStrm );
maRefSheets.push_back( aRefSheets );
}
}
Sequence< ExternalLinkInfo > ExternalLinkBuffer::getLinkInfos() const
{
::std::vector< ExternalLinkInfo > aLinkInfos;
// add entry for implicit index 0 (self reference to this document)
aLinkInfos.push_back( mxSelfRef->getLinkInfo() );
for( const auto& rxExtLink : maExtLinks )
aLinkInfos.push_back( rxExtLink->getLinkInfo() );
return ContainerHelper::vectorToSequence( aLinkInfos );
}
ExternalLinkRef ExternalLinkBuffer::getExternalLink( sal_Int32 nRefId, bool bUseRefSheets ) const
{
ExternalLinkRef xExtLink;
// OOXML: 0 = this document, otherwise one-based index into link list
if( !bUseRefSheets || !mbUseRefSheets )
xExtLink = (nRefId == 0) ? mxSelfRef : maLinks.get( nRefId - 1 );
// BIFF12: zero-based index into ref-sheets list
else if( const RefSheetsModel* pRefSheets = getRefSheets( nRefId ) )
xExtLink = maLinks.get( pRefSheets->mnExtRefId );
return xExtLink;
}
LinkSheetRange ExternalLinkBuffer::getSheetRange( sal_Int32 nRefId ) const
{
OSL_ENSURE( mbUseRefSheets, "ExternalLinkBuffer::getSheetRange - wrong BIFF version" );
LinkSheetRange aSheetRange;
if( const ExternalLink* pExtLink = getExternalLink( nRefId ).get() )
if( const RefSheetsModel* pRefSheets = getRefSheets( nRefId ) )
pExtLink->getSheetRange( aSheetRange, pRefSheets->mnTabId1, pRefSheets->mnTabId2 );
return aSheetRange;
}
// private --------------------------------------------------------------------
ExternalLinkRef ExternalLinkBuffer::createExternalLink()
{
ExternalLinkRef xExtLink = std::make_shared<ExternalLink>( *this );
maLinks.push_back( xExtLink );
return xExtLink;
}
const RefSheetsModel* ExternalLinkBuffer::getRefSheets( sal_Int32 nRefId ) const
{
return ((0 <= nRefId) && (static_cast< size_t >( nRefId ) < maRefSheets.size())) ?
&maRefSheets[ static_cast< size_t >( nRefId ) ] : nullptr;
}
} // namespace oox
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