/* -*- 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 "xmlbasici.hxx"
#include <xmloff/attrlist.hxx>
#include <xmloff/nmspmap.hxx>
#include <xmloff/xmlimp.hxx>
#include <com/sun/star/document/XMLOasisBasicImporter.hpp>
#include <comphelper/processfactory.hxx>

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

// XMLBasicImportContext

XMLBasicImportContext::XMLBasicImportContext( SvXMLImport& rImport, sal_uInt16 nPrfx, const OUString& rLName,
        const Reference< frame::XModel >& rxModel )
    :SvXMLImportContext( rImport, nPrfx, rLName )
    ,m_xModel( rxModel )
{
    Reference< uno::XComponentContext > xContext = GetImport().GetComponentContext();
    m_xHandler = document::XMLOasisBasicImporter::create( xContext );

    Reference< lang::XComponent > xComp( m_xModel, UNO_QUERY );
    m_xHandler->setTargetDocument( xComp );
}

XMLBasicImportContext::~XMLBasicImportContext()
{
}

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

    if ( m_xHandler.is() )
        pContext = new XMLBasicImportChildContext( GetImport(), nPrefix, rLocalName,
                          Reference<xml::sax::XDocumentHandler>(m_xHandler, UNO_QUERY_THROW) );

    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 )
        {
            OUString aAttrName( rNamespaceMap.GetAttrNameByKey( nPos ) );
            if ( xAttrList->getValueByName( aAttrName ).isEmpty() )
                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 OUString& rChars )
{
    if ( m_xHandler.is() )
        m_xHandler->characters( rChars );
}

// XMLBasicImportChildContext

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

XMLBasicImportChildContext::~XMLBasicImportChildContext()
{
}

SvXMLImportContextRef XMLBasicImportChildContext::CreateChildContext(
    sal_uInt16 nPrefix, const 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 OUString& rChars )
{
    if ( m_xHandler.is() )
        m_xHandler->characters( rChars );
}

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