/* -*- 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 <com/sun/star/beans/XPropertySetInfo.hpp>

#include <xmloff/namespacemap.hxx>

#include <xmloff/xmltoken.hxx>

#include <xmloff/xmlnamespace.hxx>

#include "TransformerBase.hxx"

#include "MutableAttrList.hxx"

#include "DocumentTContext.hxx"

using namespace ::xmloff::token;

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

using namespace ::com::sun::star::xml::sax;

using namespace ::com::sun::star::beans;

XMLDocumentTransformerContext::XMLDocumentTransformerContext( XMLTransformerBase& rImp,

                                                const OUString& rQName ) :

    XMLTransformerContext( rImp, rQName )

{

}

void XMLDocumentTransformerContext::StartElement( const Reference< XAttributeList >& rAttrList )

{

    Reference< XAttributeList > xAttrList( rAttrList );

    bool bMimeFound = false;

    OUString aClass;

    OUString aClassQName(

                    GetTransformer().GetNamespaceMap().GetQNameByKey(

                                XML_NAMESPACE_OFFICE, GetXMLToken(XML_CLASS ) ) );

    rtl::Reference<XMLMutableAttributeList> pMutableAttrList;

    sal_Int16 nAttrCount = xAttrList.is() ? xAttrList->getLength() : 0;

    for( sal_Int16 i=0; i < nAttrCount; i++ )

    {

        const OUString aAttrName = xAttrList->getNameByIndex( i );

        OUString aLocalName;

        sal_uInt16 nPrefix =

            GetTransformer().GetNamespaceMap().GetKeyByAttrName( aAttrName,

                                                                 &aLocalName );

        if( XML_NAMESPACE_OFFICE == nPrefix &&

            IsXMLToken( aLocalName, XML_MIMETYPE ) )

        {

            const OUString aValue = xAttrList->getValueByIndex( i );

            static constexpr std::string_view aTmp[]

            {

                "application/vnd.oasis.openoffice.",

                "application/x-vnd.oasis.openoffice.",

                "application/vnd.oasis.opendocument.",

                "application/x-vnd.oasis.document."

            };

            for (const auto & rPrefix : aTmp)

            {

                if( aValue.matchAsciiL( rPrefix.data(), rPrefix.size() ) )

                {

                    aClass = aValue.copy( rPrefix.size() );

                    break;

                }

            }

            if( !pMutableAttrList )

            {

                pMutableAttrList = new XMLMutableAttributeList( xAttrList );

                xAttrList = pMutableAttrList;

            }

            pMutableAttrList->SetValueByIndex( i, aClass );

            pMutableAttrList->RenameAttributeByIndex(i, aClassQName );

            bMimeFound = true;

            break;

        }

    }

    if( !bMimeFound )

    {

        const Reference< XPropertySet > rPropSet =

            GetTransformer().GetPropertySet();

        if( rPropSet.is() )

        {

            Reference< XPropertySetInfo > xPropSetInfo(

                rPropSet->getPropertySetInfo() );

            OUString aPropName(u"Class"_ustr);

            if( xPropSetInfo.is() && xPropSetInfo->hasPropertyByName( aPropName ) )

            {

                Any aAny = rPropSet->getPropertyValue( aPropName );

                aAny >>= aClass;

            }

        }

        if( !aClass.isEmpty() )

        {

            if( !pMutableAttrList )

            {

                pMutableAttrList = new XMLMutableAttributeList( xAttrList );

                xAttrList = pMutableAttrList;

            }

            pMutableAttrList->AddAttribute( aClassQName, aClass );

        }

    }

    XMLTransformerContext::StartElement( xAttrList );

}

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