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path: root/filter/source/xsltdialog/typedetectionimport.cxx
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_filter.hxx"
#include <com/sun/star/xml/sax/InputSource.hpp>
#include <com/sun/star/xml/sax/XParser.hpp>
#include <com/sun/star/xml/sax/XAttributeList.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <tools/debug.hxx>

#include "typedetectionimport.hxx"
#include "xmlfiltersettingsdialog.hxx"

using namespace com::sun::star::lang;
using namespace com::sun::star::uno;
using namespace com::sun::star::io;
using namespace com::sun::star::beans;
using namespace com::sun::star::xml::sax;
using namespace com::sun::star;
using namespace std;

using ::rtl::OUString;

TypeDetectionImporter::TypeDetectionImporter( Reference< XMultiServiceFactory >& xMSF )
:   mxMSF(xMSF),
    sRootNode( RTL_CONSTASCII_USTRINGPARAM( "oor:component-data" ) ),
    sNode( RTL_CONSTASCII_USTRINGPARAM( "node" ) ),
    sName( RTL_CONSTASCII_USTRINGPARAM( "oor:name" ) ),
    sProp( RTL_CONSTASCII_USTRINGPARAM( "prop" ) ),
    sValue( RTL_CONSTASCII_USTRINGPARAM( "value" ) ),
    sUIName( RTL_CONSTASCII_USTRINGPARAM( "UIName" ) ),
    sData( RTL_CONSTASCII_USTRINGPARAM( "Data" ) ),
    sFilters( RTL_CONSTASCII_USTRINGPARAM( "Filters" ) ),
    sTypes( RTL_CONSTASCII_USTRINGPARAM( "Types" ) ),
    sFilterAdaptorService( RTL_CONSTASCII_USTRINGPARAM ( "com.sun.star.comp.Writer.XmlFilterAdaptor" ) ),
    sXSLTFilterService( RTL_CONSTASCII_USTRINGPARAM ( "com.sun.star.documentconversion.XSLTFilter" ) ),
    sCdataAttribute( RTL_CONSTASCII_USTRINGPARAM( "CDATA" ) ),
    sWhiteSpace( RTL_CONSTASCII_USTRINGPARAM( " " ) )
{
}

TypeDetectionImporter::~TypeDetectionImporter (void )
{
}

void TypeDetectionImporter::doImport( Reference< XMultiServiceFactory >& xMSF, Reference< XInputStream > xIS, XMLFilterVector& rFilters )
{
    try
    {
        Reference< XParser > xParser( xMSF->createInstance(OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.xml.sax.Parser" )) ), UNO_QUERY );
        if( xParser.is() )
        {
            TypeDetectionImporter* pImporter = new TypeDetectionImporter( xMSF );
            Reference < XDocumentHandler > xDocHandler( pImporter );
            xParser->setDocumentHandler( xDocHandler );

            InputSource source;
            source.aInputStream = xIS;

            // start parsing
            xParser->parseStream( source );

            pImporter->fillFilterVector( rFilters );
        }
    }
    catch( Exception& /* e */ )
    {
        OSL_FAIL( "TypeDetectionImporter::doImport exception catched!" );
    }
}

void TypeDetectionImporter::fillFilterVector(  XMLFilterVector& rFilters )
{
    // create filter infos from imported filter nodes
    NodeVector::iterator aIter = maFilterNodes.begin();
    while( aIter != maFilterNodes.end() )
    {
        filter_info_impl* pFilter = createFilterForNode( (*aIter) );
        if( pFilter )
            rFilters.push_back( pFilter );

        delete (*aIter++);
    }

    // now delete type nodes
    aIter = maTypeNodes.begin();
    while( aIter != maTypeNodes.end() )
        delete (*aIter++);
}

static OUString getSubdata( int index, sal_Unicode delimeter, const OUString& rData )
{
    sal_Int32 nLastIndex = 0;

    sal_Int32 nNextIndex = rData.indexOf( delimeter );

    OUString aSubdata;

    while( index )
    {
        nLastIndex = nNextIndex + 1;
        nNextIndex = rData.indexOf( delimeter, nLastIndex );

        index--;

        if( (index > 0) && (nLastIndex == 0) )
            return aSubdata;
    }

    if( nNextIndex == -1 )
    {
        aSubdata = rData.copy( nLastIndex );
    }
    else
    {
        aSubdata = rData.copy( nLastIndex, nNextIndex - nLastIndex );
    }

    return aSubdata;
}

Node* TypeDetectionImporter::findTypeNode( const OUString& rType )
{
    // now delete type nodes
    NodeVector::iterator aIter = maTypeNodes.begin();
    while( aIter != maTypeNodes.end() )
    {
        if( (*aIter)->maName == rType )
            return (*aIter);

        ++aIter;
    }

    return NULL;
}

filter_info_impl* TypeDetectionImporter::createFilterForNode( Node * pNode )
{
    filter_info_impl* pFilter = new filter_info_impl;

    pFilter->maFilterName = pNode->maName;
    pFilter->maInterfaceName = pNode->maPropertyMap[sUIName];

    OUString aData = pNode->maPropertyMap[sData];

    sal_Unicode aComma(',');

    pFilter->maType = getSubdata( 1, aComma, aData  );
    pFilter->maDocumentService = getSubdata( 2, aComma, aData );

    OUString aFilterService( getSubdata( 3, aComma, aData ) );
    pFilter->maFlags = getSubdata( 4, aComma, aData ).toInt32();

    // parse filter user data
    sal_Unicode aDelim(';');
    OUString aFilterUserData( getSubdata( 5, aComma, aData ) );

    OUString aAdapterService( getSubdata( 0, aDelim, aFilterUserData ) );
    //Import/ExportService
    pFilter->maImportService = getSubdata( 2, aDelim, aFilterUserData );
    pFilter->maExportService = getSubdata( 3, aDelim, aFilterUserData );
    pFilter->maImportXSLT = getSubdata( 4, aDelim, aFilterUserData );
    pFilter->maExportXSLT = getSubdata( 5, aDelim, aFilterUserData );
    pFilter->maDTD = getSubdata( 6, aDelim, aFilterUserData );
    pFilter->maComment = getSubdata( 7, aDelim, aFilterUserData );


    pFilter->maImportTemplate = getSubdata( 7, aComma, aData );

    Node* pTypeNode = findTypeNode( pFilter->maType );
    if( pTypeNode )
    {
        OUString aTypeUserData( pTypeNode->maPropertyMap[sData] );

        pFilter->maDocType = getSubdata( 2, aComma, aTypeUserData );
        pFilter->maExtension = getSubdata( 4, aComma, aTypeUserData );
        pFilter->mnDocumentIconID = getSubdata( 5, aComma, aTypeUserData ).toInt32();
    }

    bool bOk = true;

    if( pTypeNode == NULL )
        bOk = false;

    if( pFilter->maFilterName.getLength() == 0 )
        bOk = false;

    if( pFilter->maInterfaceName.getLength() == 0 )
        bOk = false;

    if( pFilter->maType.getLength() == 0 )
        bOk = false;

    if( pFilter->maFlags == 0 )
        bOk = false;

    if( aFilterService != sFilterAdaptorService )
        bOk = false;

    if( aAdapterService != sXSLTFilterService )
        bOk = false;

    if( pFilter->maExtension.getLength() == 0 )
        bOk = false;

    if( !bOk )
    {
        delete pFilter;
        pFilter = NULL;
    }

    return pFilter;
}

void SAL_CALL TypeDetectionImporter::startDocument(  )
        throw(xml::sax::SAXException, uno::RuntimeException)
{
}

void SAL_CALL TypeDetectionImporter::endDocument(  )
        throw(xml::sax::SAXException, uno::RuntimeException)
{
}

void SAL_CALL TypeDetectionImporter::startElement( const OUString& aName, const uno::Reference< xml::sax::XAttributeList >& xAttribs )
        throw(xml::sax::SAXException, uno::RuntimeException)
{
    ImportState eNewState = e_Unknown;

    if( maStack.empty() )
    {
        // #109668# support legacy name as well on import
        if( aName == sRootNode || aName.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("oor:node")) )
        {
            eNewState = e_Root;
        }
    }
    else if( maStack.top() == e_Root )
    {
        if( aName == sNode )
        {
            OUString aNodeName( xAttribs->getValueByName( sName ) );

            if( aNodeName == sFilters )
            {
                eNewState = e_Filters;
            }
            else if( aNodeName == sTypes )
            {
                eNewState = e_Types;
            }
        }
    }
    else if( (maStack.top() == e_Filters) || (maStack.top() == e_Types) )
    {
        if( aName == sNode )
        {
            maNodeName = xAttribs->getValueByName( sName );

            eNewState = (maStack.top() == e_Filters) ? e_Filter : e_Type;
        }
    }
    else if( (maStack.top() == e_Filter) || (maStack.top() == e_Type))
    {
        if( aName == sProp )
        {
            maPropertyName = xAttribs->getValueByName( sName );
            eNewState = e_Property;
        }
    }
    else if( maStack.top() == e_Property )
    {
        if( aName == sValue )
        {
            eNewState = e_Value;
            maValue = OUString();
        }
    }

    maStack.push( eNewState );
}
void SAL_CALL TypeDetectionImporter::endElement( const OUString& /* aName */ )
    throw(xml::sax::SAXException, uno::RuntimeException)
{
    if( !maStack.empty()  )
    {
        ImportState eCurrentState = maStack.top();
        switch( eCurrentState )
        {
        case e_Filter:
        case e_Type:
            {
                Node* pNode = new Node;
                pNode->maName = maNodeName;
                pNode->maPropertyMap = maPropertyMap;
                maPropertyMap.clear();

                if( eCurrentState == e_Filter )
                {
                    maFilterNodes.push_back( pNode );
                }
                else
                {
                    maTypeNodes.push_back( pNode );
                }
            }
            break;

        case e_Property:
            maPropertyMap[ maPropertyName ] = maValue;
            break;
        default: break;
        }

        maStack.pop();
    }
}
void SAL_CALL TypeDetectionImporter::characters( const OUString& aChars )
        throw(xml::sax::SAXException, uno::RuntimeException)
{
    if( !maStack.empty() && maStack.top() == e_Value )
    {
        maValue += aChars;
    }
}
void SAL_CALL TypeDetectionImporter::ignorableWhitespace( const OUString& /* aWhitespaces */ )
        throw(xml::sax::SAXException, uno::RuntimeException)
{
}
void SAL_CALL TypeDetectionImporter::processingInstruction( const OUString& /* aTarget */, const OUString& /* aData */ )
        throw(xml::sax::SAXException, uno::RuntimeException)
{
}
void SAL_CALL TypeDetectionImporter::setDocumentLocator( const uno::Reference< xml::sax::XLocator >& /* xLocator */ )
        throw(xml::sax::SAXException, uno::RuntimeException)
{
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */