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/*************************************************************************
 *
 *  $RCSfile: swxml.cxx,v $
 *
 *  $Revision: 1.49 $
 *
 *  last change: $Author: tl $ $Date: 2002-11-20 14:33:04 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (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.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/


#ifdef PRECOMPILED
#include "filt_pch.hxx"
#endif

#pragma hdrstop


#define _SVSTDARR_STRINGS

#ifndef _RSCSFX_HXX
#include <rsc/rscsfx.hxx>
#endif

#ifndef _COMPHELPER_PROCESSFACTORY_HXX_
#include <comphelper/processfactory.hxx>
#endif
#ifndef _COM_SUN_STAR_XML_SAX_INPUTSOURCE_HPP_
#include <com/sun/star/xml/sax/InputSource.hpp>
#endif
#ifndef _COM_SUN_STAR_XML_SAX_XPARSER_HPP_
#include <com/sun/star/xml/sax/XParser.hpp>
#endif
#ifndef _COM_SUN_STAR_IO_XACTIVEDATACONTROL_HPP_
#include <com/sun/star/io/XActiveDataControl.hpp>
#endif
#ifndef _COM_SUN_STAR_TEXT_XTEXTRANGE_HPP_
#include <com/sun/star/text/XTextRange.hpp>
#endif
#ifndef _COM_SUN_STAR_BEANS_PROPERTYVALUE_HPP_
#include <com/sun/star/beans/PropertyValue.hpp>
#endif
#ifndef _COM_SUN_STAR_BEANS_PROPERTYATTRIBUTE_HPP_
#include <com/sun/star/beans/PropertyAttribute.hpp>
#endif
#ifndef _COM_SUN_STAR_TASK_XSTATUSINDICATORFACTORY_HPP_
#include <com/sun/star/task/XStatusIndicatorFactory.hpp>
#endif
#ifndef _COM_SUN_STAR_IO_XACTIVEDATASOURCE_HPP_
#include <com/sun/star/io/XActiveDataSource.hpp>
#endif
#include <svtools/svstdarr.hxx>

#ifndef _SFXDOCFILE_HXX //autogen wg. SfxMedium
#include <sfx2/docfile.hxx>
#endif
#ifndef _SFXECODE_HXX
#include <svtools/sfxecode.hxx>
#endif
#ifndef _UTL_STREAM_WRAPPER_HXX_
#include <unotools/streamwrap.hxx>
#endif
#ifndef _XMLGRHLP_HXX
#include <svx/xmlgrhlp.hxx>
#endif
#ifndef _XMLEOHLP_HXX
#include <svx/xmleohlp.hxx>
#endif
#ifndef _COMPHELPER_GENERICPROPERTYSET_HXX_
#include <comphelper/genericpropertyset.hxx>
#endif
#ifndef _RTL_LOGFILE_HXX_
#include <rtl/logfile.hxx>
#endif

#ifndef _SWSWERROR_H
#include <swerror.h>
#endif
#ifndef _ERRHDL_HXX //autogen wg. ASSERT
#include <errhdl.hxx>
#endif
#ifndef _FLTINI_HXX //autogen wg. XMLReader
#include <fltini.hxx>
#endif
#ifndef _DOC_HXX //autogen wg. SwDoc
#include <doc.hxx>
#endif
#ifndef _DOCSH_HXX //autogen wg. SwDoc
#include <docsh.hxx>
#endif
#ifndef _UNOOBJ_HXX
#include <unoobj.hxx>
#endif
#ifndef _SWMODULE_HXX
#include <swmodule.hxx>
#endif
#ifndef _SW_XMLSECTIONLIST_HXX
#include <SwXMLSectionList.hxx>
#endif
#ifndef _XMLIMP_HXX
#include <xmlimp.hxx>
#endif

#ifndef _STATSTR_HRC
#include <statstr.hrc>
#endif

#define LOGFILE_AUTHOR "mb93740"


using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::text;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::document;
using namespace ::com::sun::star::lang;
using namespace ::rtl;


void lcl_EnsureValidPam( SwPaM& rPam )
{
    if( rPam.GetCntntNode() != NULL )
    {
        // set proper point content
        if( rPam.GetCntntNode() != rPam.GetPoint()->nContent.GetIdxReg() )
        {
            rPam.GetPoint()->nContent.Assign( rPam.GetCntntNode(), 0 );
        }
        // else: point was already valid

        // if mark is invalid, we delete it
        if( ( rPam.GetCntntNode( FALSE ) == NULL ) ||
            ( rPam.GetCntntNode( FALSE ) != rPam.GetMark()->nContent.GetIdxReg() ) )
        {
            rPam.DeleteMark();
        }
    }
    else
    {
        // point is not valid, so move it into the first content
        rPam.DeleteMark();
        rPam.GetPoint()->nNode =
            *rPam.GetDoc()->GetNodes().GetEndOfContent().StartOfSectionNode();
        ++ rPam.GetPoint()->nNode;
        rPam.Move( fnMoveForward, fnGoCntnt ); // go into content
    }
}

XMLReader::XMLReader()
{
}

int XMLReader::GetReaderType()
{
    return SW_STORAGE_READER;
}

/// read a component (file + filter version)
sal_Int32 ReadThroughComponent(
    Reference<io::XInputStream> xInputStream,
    Reference<XComponent> xModelComponent,
    const String& rStreamName,
    Reference<lang::XMultiServiceFactory> & rFactory,
    const sal_Char* pFilterName,
    Sequence<Any> rFilterArguments,
    const OUString& rName,
    sal_Bool bMustBeSuccessfull,

    // parameters for special modes
    sal_Bool bBlockMode,
    Reference<XTextRange> & rInsertTextRange,
    sal_Bool bFormatsOnly,
    sal_uInt16 nStyleFamilyMask,
    sal_Bool bMergeStyles,
    sal_Bool bOrganizerMode,
    sal_Bool bEncrypted )
{
    DBG_ASSERT(xInputStream.is(), "input stream missing");
    DBG_ASSERT(xModelComponent.is(), "document missing");
    DBG_ASSERT(rFactory.is(), "factory missing");
    DBG_ASSERT(NULL != pFilterName,"I need a service name for the component!");

    RTL_LOGFILE_CONTEXT_AUTHOR( aLog, "sw", LOGFILE_AUTHOR, "ReadThroughComponent" );

    // prepare ParserInputSrouce
    xml::sax::InputSource aParserInput;
    aParserInput.sSystemId = rName;
    aParserInput.aInputStream = xInputStream;

    // get parser
    Reference< xml::sax::XParser > xParser(
        rFactory->createInstance(
            OUString::createFromAscii("com.sun.star.xml.sax.Parser") ),
        UNO_QUERY );
    DBG_ASSERT( xParser.is(), "Can't create parser" );
    if( !xParser.is() )
        return ERR_SWG_READ_ERROR;
    RTL_LOGFILE_CONTEXT_TRACE( aLog, "parser created" );

    // get filter
    Reference< xml::sax::XDocumentHandler > xFilter(
        rFactory->createInstanceWithArguments(
            OUString::createFromAscii(pFilterName), rFilterArguments),
        UNO_QUERY );
    DBG_ASSERT( xFilter.is(), "Can't instantiate filter component." );
    if( !xFilter.is() )
        return ERR_SWG_READ_ERROR;
    RTL_LOGFILE_CONTEXT_TRACE1( aLog, "%s created", pFilterName );

    // connect parser and filter
    xParser->setDocumentHandler( xFilter );

    // connect model and filter
    Reference < XImporter > xImporter( xFilter, UNO_QUERY );
    xImporter->setTargetDocument( xModelComponent );

    // prepare filter for special modes
    if( bBlockMode || bFormatsOnly || rInsertTextRange.is() || bOrganizerMode )
    {
        Reference<XUnoTunnel> xFilterTunnel( xFilter, UNO_QUERY );
        if (xFilterTunnel.is())
        {
            SwXMLImport* pFilter = (SwXMLImport *)xFilterTunnel->getSomething(
                SwXMLImport::getUnoTunnelId() );

            if ( NULL != pFilter )
            {
                // In formats only mode the reader's bInsertMode is set
                if ( bFormatsOnly )
                    pFilter->setStyleInsertMode( nStyleFamilyMask,
                                                 !bMergeStyles );
                if ( rInsertTextRange.is() )
                    pFilter->setTextInsertMode( rInsertTextRange );

                if ( bBlockMode )
                    pFilter->setBlockMode();

                if ( bOrganizerMode )
                    pFilter->setOrganizerMode();
            }
        }
    }

#ifdef TIMELOG
    // if we do profiling, we want to know the stream
    ByteString aString( (String)rStreamName, RTL_TEXTENCODING_ASCII_US );
    RTL_LOGFILE_TRACE_AUTHOR1( "sw", LOGFILE_AUTHOR,
                               "ReadThroughComponent : parsing \"%s\"", aString.GetBuffer() );
#endif

    // finally, parser the stream
    try
    {
        xParser->parseStream( aParserInput );
    }
    catch( xml::sax::SAXParseException& r )
    {
        if( bEncrypted )
            return ERRCODE_SFX_WRONGPASSWORD;

#ifdef DEBUG
        ByteString aError( "SAX parse exception catched while importing:\n" );
        aError += ByteString( String( r.Message), RTL_TEXTENCODING_ASCII_US );
        DBG_ERROR( aError.GetBuffer() );
#endif

        String sErr( String::CreateFromInt32( r.LineNumber ));
        sErr += ',';
        sErr += String::CreateFromInt32( r.ColumnNumber );

        if( rStreamName.Len() )
        {
            return *new TwoStringErrorInfo(
                            (bMustBeSuccessfull ? ERR_FORMAT_FILE_ROWCOL
                                                    : WARN_FORMAT_FILE_ROWCOL),
                            rStreamName, sErr,
                            ERRCODE_BUTTON_OK | ERRCODE_MSG_ERROR );
        }
        else
        {
            ASSERT( bMustBeSuccessfull, "Warnings are not supported" );
            return *new StringErrorInfo( ERR_FORMAT_ROWCOL, sErr,
                             ERRCODE_BUTTON_OK | ERRCODE_MSG_ERROR );
        }
    }
    catch( xml::sax::SAXException& r )
    {
        if( bEncrypted )
            return ERRCODE_SFX_WRONGPASSWORD;

#ifdef DEBUG
        ByteString aError( "SAX exception catched while importing:\n" );
        aError += ByteString( String( r.Message), RTL_TEXTENCODING_ASCII_US );
        DBG_ERROR( aError.GetBuffer() );
#endif
        return ERR_SWG_READ_ERROR;
    }
    catch( io::IOException& r )
    {
#ifdef DEBUG
        ByteString aError( "IO exception catched while importing:\n" );
        aError += ByteString( String( r.Message), RTL_TEXTENCODING_ASCII_US );
        DBG_ERROR( aError.GetBuffer() );
#endif
        return ERR_SWG_READ_ERROR;
    }
    catch( uno::Exception& r )
    {
#ifdef DEBUG
        ByteString aError( "uno exception catched while importing:\n" );
        aError += ByteString( String( r.Message), RTL_TEXTENCODING_ASCII_US );
        DBG_ERROR( aError.GetBuffer() );
#endif
        return ERR_SWG_READ_ERROR;
    }

    // success!
    return 0;
}

/// read a component (storage version)
sal_Int32 ReadThroughComponent(
    SvStorage* pStorage,
    Reference<XComponent> xModelComponent,
    const sal_Char* pStreamName,
    const sal_Char* pCompatibilityStreamName,
    Reference<lang::XMultiServiceFactory> & rFactory,
    const sal_Char* pFilterName,
    Sequence<Any> rFilterArguments,
    const OUString& rName,
    sal_Bool bMustBeSuccessfull,

    // parameters for special modes
    sal_Bool bBlockMode,
    Reference<XTextRange> & rInsertTextRange,
    sal_Bool bFormatsOnly,
    sal_uInt16 nStyleFamilyMask,
    sal_Bool bMergeStyles,
    sal_Bool bOrganizerMode )
{
    DBG_ASSERT(NULL != pStorage, "Need storage!");
    DBG_ASSERT(NULL != pStreamName, "Please, please, give me a name!");

    // open stream (and set parser input)
    OUString sStreamName = OUString::createFromAscii(pStreamName);
    if (! pStorage->IsStream(sStreamName))
    {
        // stream name not found! Then try the compatibility name.
        // if no stream can be opened, return immediatly with OK signal

        // do we even have an alternative name?
        if ( NULL == pCompatibilityStreamName )
            return 0;

        // if so, does the stream exist?
        sStreamName = OUString::createFromAscii(pCompatibilityStreamName);
        if (! pStorage->IsStream(sStreamName) )
            return 0;
    }

    // get input stream
    SvStorageStreamRef xEventsStream;
    xEventsStream = pStorage->OpenStream( sStreamName,
                                          STREAM_READ | STREAM_NOCREATE );

    Any aAny;
    sal_Bool bEncrypted =
        xEventsStream->GetProperty(
                OUString( RTL_CONSTASCII_USTRINGPARAM("Encrypted") ), aAny ) &&
        aAny.getValueType() == ::getBooleanCppuType() &&
        *(sal_Bool *)aAny.getValue();

    Reference < io::XInputStream > xStream = xEventsStream->GetXInputStream();
    // read from the stream
    return ReadThroughComponent(
        xStream, xModelComponent, sStreamName, rFactory,
        pFilterName, rFilterArguments,
        rName, bMustBeSuccessfull, bBlockMode, rInsertTextRange, bFormatsOnly,
        nStyleFamilyMask, bMergeStyles, bOrganizerMode, bEncrypted );
}


sal_uInt32 XMLReader::Read( SwDoc &rDoc, SwPaM &rPaM, const String & rName )
{
    // Get service factory
    Reference< lang::XMultiServiceFactory > xServiceFactory =
            comphelper::getProcessServiceFactory();
    ASSERT( xServiceFactory.is(),
            "XMLReader::Read: got no service manager" );
    if( !xServiceFactory.is() )
        return ERR_SWG_READ_ERROR;

    Reference< io::XActiveDataSource > xSource;
    Reference< XInterface > xPipe;
    Reference< document::XGraphicObjectResolver > xGraphicResolver;
    SvXMLGraphicHelper *pGraphicHelper = 0;
    Reference< document::XEmbeddedObjectResolver > xObjectResolver;
    SvXMLEmbeddedObjectHelper *pObjectHelper = 0;

    // get the input stream (storage or stream)
    SvStorageStreamRef xDocStream;
    Reference<io::XInputStream> xInputStream;
    SvStorage *pStorage = 0;
    if( pMedium )
        pStorage = pMedium->GetStorage();
    else
        pStorage = pStg;

    ASSERT( pStorage, "XML Reader can only read from storage" );
    if( !pStorage )
        return ERR_SWG_READ_ERROR;

    pGraphicHelper = SvXMLGraphicHelper::Create( *pStorage,
                                                 GRAPHICHELPER_MODE_READ,
                                                 sal_False );
    xGraphicResolver = pGraphicHelper;
    SvPersist *pPersist = rDoc.GetPersist();
    if( pPersist )
    {
        pObjectHelper = SvXMLEmbeddedObjectHelper::Create(
                                        *pStorage, *pPersist,
                                        EMBEDDEDOBJECTHELPER_MODE_READ,
                                        sal_False );
        xObjectResolver = pObjectHelper;
    }

    // Get the docshell, the model, and finally the model's component
    SwDocShell *pDocSh = rDoc.GetDocShell();
    ASSERT( pDocSh, "XMLReader::Read: got no doc shell" );
    if( !pDocSh )
        return ERR_SWG_READ_ERROR;
    Reference< lang::XComponent > xModelComp( pDocSh->GetModel(), UNO_QUERY );
    ASSERT( xModelComp.is(),
            "XMLReader::Read: got no model" );
    if( !xModelComp.is() )
        return ERR_SWG_READ_ERROR;


    // create and prepare the XPropertySet that gets passed through
    // the components, and the XStatusIndicator that shows progress to
    // the user.

    // create XPropertySet with three properties for status indicator
    comphelper::PropertyMapEntry aInfoMap[] =
    {
        { "ProgressRange", sizeof("ProgressRange")-1, 0,
              &::getCppuType((sal_Int32*)0),
              beans::PropertyAttribute::MAYBEVOID, 0},
        { "ProgressMax", sizeof("ProgressMax")-1, 0,
              &::getCppuType((sal_Int32*)0),
              beans::PropertyAttribute::MAYBEVOID, 0},
        { "ProgressCurrent", sizeof("ProgressCurrent")-1, 0,
              &::getCppuType((sal_Int32*)0),
              beans::PropertyAttribute::MAYBEVOID, 0},
        { "NumberStyles", sizeof("NumberStyles")-1, 0,
              &::getCppuType( (Reference<container::XNameContainer> *) 0),
              beans::PropertyAttribute::MAYBEVOID, 0},
        { "RecordChanges", sizeof("RecordChanges")-1, 0,
              &::getBooleanCppuType(),
              beans::PropertyAttribute::MAYBEVOID, 0 },
        { "ShowChanges", sizeof("ShowChanges")-1, 0,
              &::getBooleanCppuType(),
              beans::PropertyAttribute::MAYBEVOID, 0 },
        { "RedlineProtectionKey", sizeof("RedlineProtectionKey")-1, 0,
#if (defined(__SUNPRO_CC) && (__SUNPRO_CC == 0x500)) || (defined(__GNUC__) && defined(__APPLE__))
              new uno::Type(::getCppuType((Sequence<sal_Int8>*)0)),
#else
              &::getCppuType((Sequence<sal_Int8>*)0),
#endif
              beans::PropertyAttribute::MAYBEVOID, 0 },
        { NULL, 0, 0, NULL, 0, 0 }
    };
    uno::Reference< beans::XPropertySet > xInfoSet(
                comphelper::GenericPropertySet_CreateInstance(
                            new comphelper::PropertySetInfo( aInfoMap ) ) );

    // try to get an XStatusIndicator from the Medium
    uno::Reference<task::XStatusIndicator> xStatusIndicator;
    if (pDocSh->GetMedium())
    {
        SfxItemSet* pSet = pDocSh->GetMedium()->GetItemSet();
        if (pSet)
        {
            const SfxUnoAnyItem* pItem = static_cast<const SfxUnoAnyItem*>(
                pSet->GetItem(SID_PROGRESS_STATUSBAR_CONTROL) );
            if (pItem)
            {
                pItem->GetValue() >>= xStatusIndicator;
            }
        }
    }


    // set progress range and start status indicator
    sal_Int32 nProgressRange(1000000);
    if (xStatusIndicator.is())
    {
        xStatusIndicator->start(SW_RESSTR(STR_STATSTR_SWGREAD), nProgressRange);
    }
    uno::Any aProgRange;
    aProgRange <<= nProgressRange;
    OUString sProgressRange(RTL_CONSTASCII_USTRINGPARAM("ProgressRange"));
    xInfoSet->setPropertyValue(sProgressRange, aProgRange);

    // prepare filter arguments
    Sequence<Any> aFilterArgs( 5 );
    Any *pArgs = aFilterArgs.getArray();
    *pArgs++ <<= xGraphicResolver;
    *pArgs++ <<= xObjectResolver;
    *pArgs++ <<= xStatusIndicator;
    *pArgs++ <<= xInfoSet;
    Sequence<Any> aEmptyArgs( 3 );
    pArgs = aEmptyArgs.getArray();
    *pArgs++ <<= xStatusIndicator;
    *pArgs++ <<= xInfoSet;

    // prepare for special modes
    sal_uInt16 nStyleFamilyMask = 0U;
    Reference<XTextRange> xInsertTextRange = NULL;
    if( aOpt.IsFmtsOnly() )
    {
        if( aOpt.IsFrmFmts() )
            nStyleFamilyMask |= SFX_STYLE_FAMILY_FRAME;
        if( aOpt.IsPageDescs() )
            nStyleFamilyMask |= SFX_STYLE_FAMILY_PAGE;
        if( aOpt.IsTxtFmts() )
            nStyleFamilyMask |= (SFX_STYLE_FAMILY_CHAR|SFX_STYLE_FAMILY_PARA);
        if( aOpt.IsNumRules() )
            nStyleFamilyMask |= SFX_STYLE_FAMILY_PSEUDO;
    }
    else if( bInsertMode )
    {
        xInsertTextRange = SwXTextRange::CreateTextRangeFromPosition(
            &rDoc, *rPaM.GetPoint(), 0 );
    }
    else
    {
        rPaM.GetBound(true).nContent.Assign(0, 0);
        rPaM.GetBound(false).nContent.Assign(0, 0);
    }

    rDoc.AddLink(); // prevent deletion
    sal_uInt32 nRet = 0;

    // save redline mode into import info property set
    Any aAny;
    sal_Bool bTmp;
    OUString sShowChanges( RTL_CONSTASCII_USTRINGPARAM("ShowChanges") );
    bTmp = IsShowChanges( rDoc.GetRedlineMode() );
    aAny.setValue( &bTmp, ::getBooleanCppuType() );
    xInfoSet->setPropertyValue( sShowChanges, aAny );
    OUString sRecordChanges( RTL_CONSTASCII_USTRINGPARAM("RecordChanges") );
    bTmp = IsRedlineOn(rDoc.GetRedlineMode());
    aAny.setValue( &bTmp, ::getBooleanCppuType() );
    xInfoSet->setPropertyValue( sRecordChanges, aAny );
    OUString sRedlineProtectionKey( RTL_CONSTASCII_USTRINGPARAM("RedlineProtectionKey") );
    aAny <<= rDoc.GetRedlinePasswd();
    xInfoSet->setPropertyValue( sRedlineProtectionKey, aAny );

    // force redline mode to "none"
    rDoc.SetRedlineMode_intern( REDLINE_NONE );

    sal_uInt32 nWarn = 0;
    sal_uInt32 nWarn2 = 0;
    // read storage streams
    if( !(IsOrganizerMode() || IsBlockMode() || aOpt.IsFmtsOnly() ||
          bInsertMode) )
    {
        nWarn = ReadThroughComponent(
            pStorage, xModelComp, "meta.xml", "Meta.xml", xServiceFactory,
            "com.sun.star.comp.Writer.XMLMetaImporter",
            aEmptyArgs, rName, sal_False, IsBlockMode(), xInsertTextRange,
            aOpt.IsFmtsOnly(), nStyleFamilyMask, aOpt.IsMerge(),
            sal_False );

        nWarn2 = ReadThroughComponent(
            pStorage, xModelComp, "settings.xml", NULL, xServiceFactory,
            "com.sun.star.comp.Writer.XMLSettingsImporter",
            aFilterArgs, rName, sal_False, IsBlockMode(), xInsertTextRange,
            aOpt.IsFmtsOnly(), nStyleFamilyMask, aOpt.IsMerge(),
            IsOrganizerMode() );
    }

    nRet = ReadThroughComponent(
        pStorage, xModelComp, "styles.xml", NULL, xServiceFactory,
        "com.sun.star.comp.Writer.XMLStylesImporter",
        aFilterArgs, rName, sal_True, IsBlockMode(), xInsertTextRange,
        aOpt.IsFmtsOnly(), nStyleFamilyMask, aOpt.IsMerge(),
        IsOrganizerMode() );

    if( !nRet && !(IsOrganizerMode() || aOpt.IsFmtsOnly()) )
        nRet = ReadThroughComponent(
           pStorage, xModelComp, "content.xml", "Content.xml", xServiceFactory,
           "com.sun.star.comp.Writer.XMLContentImporter",
           aFilterArgs, rName, sal_True, IsBlockMode(), xInsertTextRange,
           aOpt.IsFmtsOnly(), nStyleFamilyMask, aOpt.IsMerge(),
           sal_False );

    if( !(IsOrganizerMode() || IsBlockMode() || bInsertMode ||
          aOpt.IsFmtsOnly() ) )
    {
        OUString sStreamName( RTL_CONSTASCII_USTRINGPARAM("layout-cache") );
        SvStorageStreamRef xStrm = pStorage->OpenStream( sStreamName,
                                      STREAM_READ | STREAM_NOCREATE );
        if( xStrm.Is() && !xStrm->GetError() )
        {
            xStrm->SetBufferSize( 16*1024 );
            rDoc.ReadLayoutCache( *xStrm );
        }
    }

    // Notify math objects
    if( bInsertMode )
        rDoc.PrtOLENotify( FALSE );
    else if ( rDoc.IsOLEPrtNotifyPending() )
        rDoc.PrtOLENotify( TRUE );

    if( !nRet )
    {
        if( nWarn )
            nRet = nWarn;
        else if( nWarn2 )
            nRet = nWarn2;
    }

    aOpt.ResetAllFmtsOnly();

    // redline password
    aAny = xInfoSet->getPropertyValue( sRedlineProtectionKey );
    Sequence<sal_Int8> aKey;
    aAny >>= aKey;
    rDoc.SetRedlinePasswd( aKey );

    // restore redline mode from import info property set
    sal_Int16 nRedlineMode = REDLINE_SHOW_INSERT;
    aAny = xInfoSet->getPropertyValue( sShowChanges );
    if ( *(sal_Bool*)aAny.getValue() )
        nRedlineMode |= REDLINE_SHOW_DELETE;
    aAny = xInfoSet->getPropertyValue( sRecordChanges );
    if ( *(sal_Bool*)aAny.getValue() || (aKey.getLength() > 0) )
        nRedlineMode |= REDLINE_ON;
    else
        nRedlineMode |= REDLINE_NONE;

    // ... restore redline mode
    // (First set bogus mode to make sure the mode in SetRedlineMode()
    //  is different from it's previous mode.)
    rDoc.SetRedlineMode_intern( ~nRedlineMode );
    rDoc.SetRedlineMode( nRedlineMode );

    // #103728# move Pam into valid content
    lcl_EnsureValidPam( rPaM );

    if( pGraphicHelper )
        SvXMLGraphicHelper::Destroy( pGraphicHelper );
    xGraphicResolver = 0;
    if( pObjectHelper )
        SvXMLEmbeddedObjectHelper::Destroy( pObjectHelper );
    xObjectResolver = 0;
    rDoc.RemoveLink();

    if (xStatusIndicator.is())
    {
        xStatusIndicator->end();
    }

    return nRet;
}

    // read the sections of the document, which is equal to the medium.
    // returns the count of it
USHORT XMLReader::GetSectionList( SfxMedium& rMedium,
                                    SvStrings& rStrings ) const
{
    SvStorage* pStg;
    Reference< lang::XMultiServiceFactory > xServiceFactory =
            comphelper::getProcessServiceFactory();
    ASSERT( xServiceFactory.is(),
            "XMLReader::Read: got no service manager" );
    if( xServiceFactory.is() && 0 != ( pStg = rMedium.GetStorage() ) )
    {
        xml::sax::InputSource aParserInput;
        OUString sDocName( RTL_CONSTASCII_USTRINGPARAM( "content.xml" ) );
        aParserInput.sSystemId = sDocName;
        SvStorageStreamRef xDocStream = pStg->OpenStream( sDocName,
            ( STREAM_READ | STREAM_SHARE_DENYWRITE | STREAM_NOCREATE ) );
        aParserInput.aInputStream = xDocStream->GetXInputStream();

        // get parser
        Reference< XInterface > xXMLParser = xServiceFactory->createInstance(
            OUString::createFromAscii("com.sun.star.xml.sax.Parser") );
        ASSERT( xXMLParser.is(),
            "XMLReader::Read: com.sun.star.xml.sax.Parser service missing" );
        if( xXMLParser.is() )
        {
            // get filter
            Reference< xml::sax::XDocumentHandler > xFilter =
                                        new SwXMLSectionList( rStrings );

            // connect parser and filter
            Reference< xml::sax::XParser > xParser( xXMLParser, UNO_QUERY );
            xParser->setDocumentHandler( xFilter );

            // parse
            try
            {
                xParser->parseStream( aParserInput );
            }
            catch( xml::sax::SAXParseException&  )
            {
                // re throw ?
            }
            catch( xml::sax::SAXException&  )
            {
                // re throw ?
            }
            catch( io::IOException& )
            {
                // re throw ?
            }
        }
    }
    return rStrings.Count();
}