/* -*- 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 "EventOOoTContext.hxx"

#include "EventMap.hxx"

#include "MutableAttrList.hxx"

#include "ActionMapTypesOOo.hxx"

#include "AttrTransformerAction.hxx"

#include "TransformerActions.hxx"

#include "TransformerBase.hxx"

#include <osl/diagnose.h>

#include <unordered_map>

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

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

using namespace ::xmloff::token;

class XMLTransformerOOoEventMap_Impl:

    public std::unordered_map< OUString, NameKey_Impl >

{

public:

    void AddMap( XMLTransformerEventMapEntry const *pInit );

    XMLTransformerOOoEventMap_Impl( XMLTransformerEventMapEntry const *pInit,

                                       XMLTransformerEventMapEntry const *pInit2  );

};

void XMLTransformerOOoEventMap_Impl::AddMap( XMLTransformerEventMapEntry const *pInit )

{

    XMLTransformerOOoEventMap_Impl::key_type aKey;

    XMLTransformerOOoEventMap_Impl::mapped_type aData;

    while( !pInit->m_pOOoName.isEmpty() )

    {

        aKey = pInit->m_pOOoName;

        OSL_ENSURE( find( aKey ) == end(), "duplicate event map entry" );

        aData.m_nPrefix = pInit->m_nOASISPrefix;

        aData.m_aLocalName = pInit->m_pOASISName;

        XMLTransformerOOoEventMap_Impl::value_type aVal( aKey, aData );

        if( !insert( aVal ).second )

        {

            OSL_FAIL( "duplicate OOo event name entry" );

        }

        ++pInit;

    }

}

XMLTransformerOOoEventMap_Impl::XMLTransformerOOoEventMap_Impl(

        XMLTransformerEventMapEntry const *pInit,

        XMLTransformerEventMapEntry const *pInit2 )

{

    if( pInit )

        AddMap( pInit );

    if( pInit2 )

        AddMap( pInit2 );

}

XMLEventOOoTransformerContext::XMLEventOOoTransformerContext(

        XMLTransformerBase& rImp,

        const OUString& rQName,

        bool bPersistent ) :

    XMLPersElemContentTContext( rImp, rQName,

        rImp.GetNamespaceMap().GetKeyByAttrValueQName(rQName, nullptr),

        XML_EVENT_LISTENER),

    m_bPersistent( bPersistent )

{

}

XMLEventOOoTransformerContext::~XMLEventOOoTransformerContext()

{

}

XMLTransformerOOoEventMap_Impl

    *XMLEventOOoTransformerContext::CreateEventMap()

{

    return new XMLTransformerOOoEventMap_Impl( aTransformerEventMap,

                                                  aFormTransformerEventMap );

}

void XMLEventOOoTransformerContext::FlushEventMap(

        XMLTransformerOOoEventMap_Impl *p )

{

    delete p;

}

sal_uInt16 XMLEventOOoTransformerContext::GetEventName(

        const OUString& rName,

        OUString& rNewName,

           XMLTransformerOOoEventMap_Impl& rMap )

{

    const XMLTransformerOOoEventMap_Impl::key_type& aKey( rName );

    XMLTransformerOOoEventMap_Impl::const_iterator aIter = rMap.find( aKey );

    if( aIter == rMap.end() )

    {

        rNewName = rName;

        return XML_NAMESPACE_UNKNOWN;

    }

    else

    {

        rNewName = (*aIter).second.m_aLocalName;

        return (*aIter).second.m_nPrefix;

    }

}

void XMLEventOOoTransformerContext::StartElement(

    const Reference< XAttributeList >& rAttrList )

{

    XMLTransformerActions *pActions =

        GetTransformer().GetUserDefinedActions( OOO_EVENT_ACTIONS );

    OSL_ENSURE( pActions, "go no actions" );

    OUString aLocation, aMacroName;

    sal_Int16 nMacroName = -1;

    Reference< XAttributeList > xAttrList( rAttrList );

    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 );

        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 aAttrValue = xAttrList->getValueByIndex( i );

            switch( (*aIter).second.m_nActionType )

            {

            case XML_ATACTION_HREF:

                // TODO

                break;

            case XML_ATACTION_EVENT_NAME:

                pMutableAttrList->SetValueByIndex( i,

                               GetTransformer().GetEventName( aAttrValue ) );

                break;

            case XML_ATACTION_ADD_NAMESPACE_PREFIX:

                {

                    OUString aAttrValue2( aAttrValue );

                    sal_uInt16 nValPrefix =

                        static_cast<sal_uInt16>((*aIter).second.m_nParam1);

                    GetTransformer().AddNamespacePrefix( aAttrValue2,

                                                             nValPrefix );

                    pMutableAttrList->SetValueByIndex( i, aAttrValue2 );

                }

                break;

            case XML_ATACTION_MACRO_LOCATION:

                aLocation = aAttrValue;

                pMutableAttrList->RemoveAttributeByIndex( i );

                --i;

                --nAttrCount;

                break;

            case XML_ATACTION_MACRO_NAME:

                aMacroName = aAttrValue;

                nMacroName = i;

                break;

            case XML_ATACTION_COPY:

                break;

            default:

                OSL_ENSURE( false, "unknown action" );

                break;

            }

        }

    }

    if( nMacroName != -1 && !aLocation.isEmpty() )

    {

        if( !IsXMLToken( aLocation, XML_APPLICATION ) )

            aLocation = GetXMLToken( XML_DOCUMENT );

        OUString sTmp = aLocation + ":" + aMacroName;

        pMutableAttrList->SetValueByIndex( nMacroName, sTmp );

    }

    if( m_bPersistent )

        XMLPersElemContentTContext::StartElement( xAttrList );

    else

        GetTransformer().GetDocHandler()->startElement( GetExportQName(), xAttrList );

}

void XMLEventOOoTransformerContext::EndElement()

{

    if( m_bPersistent )

        XMLPersElemContentTContext::EndElement();

    else

        GetTransformer().GetDocHandler()->endElement( GetExportQName() );

}

rtl::Reference<XMLTransformerContext> XMLEventOOoTransformerContext::CreateChildContext(

                            sal_uInt16 nPrefix,

                            const OUString& rLocalName,

                            const OUString& rQName,

                            const Reference< XAttributeList >& xAttrList )

{

    if( m_bPersistent )

        return XMLPersElemContentTContext::CreateChildContext(nPrefix, rLocalName, rQName, xAttrList);

    else

        return XMLTransformerContext::CreateChildContext(nPrefix, rLocalName, rQName, xAttrList);

}

bool XMLEventOOoTransformerContext::IsPersistent() const

{

    return m_bPersistent;

}

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