/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_xmloff.hxx"
#include "xmlbasici.hxx"
#include <xmloff/attrlist.hxx>
#include <xmloff/nmspmap.hxx>
#include <xmloff/xmlimp.hxx>

using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;


// =============================================================================
// XMLBasicImportContext
// =============================================================================

XMLBasicImportContext::XMLBasicImportContext( SvXMLImport& rImport, sal_uInt16 nPrfx, const ::rtl::OUString& rLName,
        const Reference< frame::XModel >& rxModel )
    :SvXMLImportContext( rImport, nPrfx, rLName )
    ,m_xModel( rxModel )
{
    Reference< lang::XMultiServiceFactory > xMSF = GetImport().getServiceFactory();
    if ( xMSF.is() )
    {
        m_xHandler.set( xMSF->createInstance(
            ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.document.XMLOasisBasicImporter" ) ) ), 
            UNO_QUERY );
    }

    if ( m_xHandler.is() )
    {
        Reference< document::XImporter > xImporter( m_xHandler, UNO_QUERY );
        if ( xImporter.is() )
        {
            Reference< lang::XComponent > xComp( m_xModel, UNO_QUERY );
            xImporter->setTargetDocument( xComp );
        }
    }
}

// -----------------------------------------------------------------------------

XMLBasicImportContext::~XMLBasicImportContext()
{
}

// -----------------------------------------------------------------------------

SvXMLImportContext* XMLBasicImportContext::CreateChildContext( 
    sal_uInt16 nPrefix, const ::rtl::OUString& rLocalName,
    const Reference< xml::sax::XAttributeList >& )
{
    SvXMLImportContext* pContext = 0;

    if ( m_xHandler.is() )
        pContext = new XMLBasicImportChildContext( GetImport(), nPrefix, rLocalName, m_xHandler );

    if ( !pContext )
        pContext = new SvXMLImportContext( GetImport(), nPrefix, rLocalName );

    return pContext;
}

// -----------------------------------------------------------------------------

void XMLBasicImportContext::StartElement(
    const Reference< xml::sax::XAttributeList >& rxAttrList )
{
    if ( m_xHandler.is() )
    {
        m_xHandler->startDocument();

        // copy namespace declarations
        SvXMLAttributeList* pAttrList = new SvXMLAttributeList( rxAttrList );
        Reference< xml::sax::XAttributeList > xAttrList( pAttrList );
        const SvXMLNamespaceMap& rNamespaceMap = GetImport().GetNamespaceMap();
        sal_uInt16 nPos = rNamespaceMap.GetFirstKey();
        while ( nPos != USHRT_MAX )
        {
            ::rtl::OUString aAttrName( rNamespaceMap.GetAttrNameByKey( nPos ) );
            if ( xAttrList->getValueByName( aAttrName ).getLength() == 0 )
                pAttrList->AddAttribute( aAttrName, rNamespaceMap.GetNameByKey( nPos ) );
            nPos = rNamespaceMap.GetNextKey( nPos );
        }

        m_xHandler->startElement( 
            GetImport().GetNamespaceMap().GetQNameByKey( GetPrefix(), GetLocalName() ),
            xAttrList );
    }
}

// -----------------------------------------------------------------------------

void XMLBasicImportContext::EndElement()
{
    if ( m_xHandler.is() )
    {
        m_xHandler->endElement( 
            GetImport().GetNamespaceMap().GetQNameByKey( GetPrefix(), GetLocalName() ) );
        m_xHandler->endDocument();
    }
}

// -----------------------------------------------------------------------------

void XMLBasicImportContext::Characters( const ::rtl::OUString& rChars )
{
    if ( m_xHandler.is() )
        m_xHandler->characters( rChars );
}
	

// =============================================================================
// XMLBasicImportChildContext
// =============================================================================

XMLBasicImportChildContext::XMLBasicImportChildContext( SvXMLImport& rImport, sal_uInt16 nPrfx, const ::rtl::OUString& rLName,
        const Reference< xml::sax::XDocumentHandler >& rxHandler )
    :SvXMLImportContext( rImport, nPrfx, rLName )
    ,m_xHandler( rxHandler )
{
}

// -----------------------------------------------------------------------------

XMLBasicImportChildContext::~XMLBasicImportChildContext()
{
}

// -----------------------------------------------------------------------------

SvXMLImportContext* XMLBasicImportChildContext::CreateChildContext( 
    sal_uInt16 nPrefix, const ::rtl::OUString& rLocalName,
    const Reference< xml::sax::XAttributeList >& )
{    
    return new XMLBasicImportChildContext( GetImport(), nPrefix, rLocalName, m_xHandler );
}

// -----------------------------------------------------------------------------

void XMLBasicImportChildContext::StartElement(
    const Reference< xml::sax::XAttributeList >& xAttrList )
{
    if ( m_xHandler.is() )
    {
        m_xHandler->startElement( 
            GetImport().GetNamespaceMap().GetQNameByKey( GetPrefix(), GetLocalName() ),
            xAttrList );
    }
}

// -----------------------------------------------------------------------------

void XMLBasicImportChildContext::EndElement()
{
    if ( m_xHandler.is() )
    {
        m_xHandler->endElement( 
            GetImport().GetNamespaceMap().GetQNameByKey( GetPrefix(), GetLocalName() ) );
    }
}

// -----------------------------------------------------------------------------

void XMLBasicImportChildContext::Characters( const ::rtl::OUString& rChars )
{
    if ( m_xHandler.is() )
        m_xHandler->characters( rChars );
}

// -----------------------------------------------------------------------------