/* -*- 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 "ChartOOoTContext.hxx"
#include "MutableAttrList.hxx"
#include <xmloff/xmlnmspe.hxx>
#include "ActionMapTypesOOo.hxx"
#include "AttrTransformerAction.hxx"
#include "TransformerActions.hxx"
#include "TransformerBase.hxx"
#include <osl/diagnose.h>

using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::xml::sax;
using namespace ::xmloff::token;

XMLChartOOoTransformerContext::XMLChartOOoTransformerContext(
        XMLTransformerBase& rImp,
        const OUString& rQName ) :
    XMLTransformerContext( rImp, rQName )
{
}

XMLChartOOoTransformerContext::~XMLChartOOoTransformerContext()
{
}

void XMLChartOOoTransformerContext::StartElement(
    const Reference< XAttributeList >& rAttrList )
{
    XMLTransformerActions *pActions =
        GetTransformer().GetUserDefinedActions( OOO_CHART_ACTIONS );
    OSL_ENSURE( pActions, "go no actions" );

    sal_Int16 nClassName = -1;
    OUString aAddInName;
    Reference< XAttributeList > xAttrList( rAttrList );
    XMLMutableAttributeList *pMutableAttrList = 0;
    sal_Int16 nAttrCount = xAttrList.is() ? xAttrList->getLength() : 0;
    for( sal_Int16 i=0; i < nAttrCount; i++ )
    {
        const OUString& rAttrName = xAttrList->getNameByIndex( i );
        OUString aLocalName;
        sal_uInt16 nPrefix =
            GetTransformer().GetNamespaceMap().GetKeyByAttrName( rAttrName,
                                                                 &aLocalName );
        XMLTransformerActions::key_type aKey( nPrefix, aLocalName );
        XMLTransformerActions::const_iterator aIter =
            pActions->find( aKey );
        if( !(aIter == pActions->end() ) )
        {
            if( !pMutableAttrList )
            {
                pMutableAttrList =
                        new XMLMutableAttributeList( xAttrList );
                xAttrList = pMutableAttrList;
            }
            const OUString& rAttrValue = xAttrList->getValueByIndex( i );
            switch( (*aIter).second.m_nActionType )
            {
            case XML_ATACTION_INCH2IN:
                {
                    OUString aAttrValue( rAttrValue );
                    if( XMLTransformerBase::ReplaceSingleInchWithIn(
                                aAttrValue ) )
                        pMutableAttrList->SetValueByIndex( i, aAttrValue );
                }
                break;
            case XML_ATACTION_ENCODE_STYLE_NAME_REF:
                {
                    OUString aAttrValue( rAttrValue );
                    if( GetTransformer().EncodeStyleName(aAttrValue) )
                        pMutableAttrList->SetValueByIndex( i, aAttrValue );
                }
                break;
            case XML_ATACTION_ADD_NAMESPACE_PREFIX:
                OSL_ENSURE( ::xmloff::token::IsXMLToken( aLocalName, XML_CLASS ),
                               "unexpected class token" );
                if( ::xmloff::token::IsXMLToken( rAttrValue, XML_ADD_IN ) )
                {
                    nClassName = i;
                }
                else
                {
                    OUString aAttrValue( rAttrValue );
                    sal_uInt16 nValPrefix =
                        static_cast<sal_uInt16>((*aIter).second.m_nParam1);
                    if( GetTransformer().AddNamespacePrefix( aAttrValue,
                                                             nValPrefix ) )
                        pMutableAttrList->SetValueByIndex( i, aAttrValue );
                }
                break;
            case XML_ATACTION_REMOVE:
                OSL_ENSURE( ::xmloff::token::IsXMLToken( aLocalName, XML_ADD_IN_NAME ),
                               "unexpected class token" );
                aAddInName = rAttrValue;
                pMutableAttrList->RemoveAttributeByIndex( i );
                --i;
                --nAttrCount;
                break;
            default:
                OSL_ENSURE( false, "unknown action" );
                break;
            }
        }
    }

    if( nClassName != -1 && !aAddInName.isEmpty() )
    {
        GetTransformer().AddNamespacePrefix( aAddInName, XML_NAMESPACE_OOO );
        pMutableAttrList->SetValueByIndex( nClassName, aAddInName );
    }

    XMLTransformerContext::StartElement( xAttrList );
}

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