/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: xmloff_XMLEventImportHelper.cxx,v $
 * $Revision: 1.5 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef _XMLOFF_XMLEVENTIMPORTHELPER_HXX
#include "XMLEventImportHelper.hxx"
#endif

#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif

#ifndef _XMLOFF_XMLIMP_HXX
#include "xmlimp.hxx"
#endif



#ifndef _XMLOFF_XMLERROR_HXX
#include "xmlerror.hxx"
#endif
namespace binfilter {

using ::rtl::OUString;
using ::com::sun::star::xml::sax::XAttributeList;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;

XMLEventImportHelper::XMLEventImportHelper() :
	aFactoryMap(),
	pEventNameMap(new NameMap()),
	aEventNameMapList()
{
}


XMLEventImportHelper::~XMLEventImportHelper()
{
	// delete factories
	FactoryMap::iterator aEnd = aFactoryMap.end();
	for(FactoryMap::iterator aIter = aFactoryMap.begin(); 
		aIter != aEnd; 
		aIter++ )
	{
		delete aIter->second;
	}
	aFactoryMap.clear();

	// delete name map
	delete pEventNameMap;
}

void XMLEventImportHelper::RegisterFactory( 
	const OUString& rLanguage,
	XMLEventContextFactory* pFactory )
{
	DBG_ASSERT(pFactory != NULL, "I need a factory.");
	if (NULL != pFactory)
	{
		aFactoryMap[rLanguage] = pFactory;
	}
}

void XMLEventImportHelper::AddTranslationTable( 
	const XMLEventNameTranslation* pTransTable )
{
	if (NULL != pTransTable)
	{
		// put translation table into map
		for(const XMLEventNameTranslation* pTrans = pTransTable;
			pTrans->sAPIName != NULL;
			pTrans++)
		{
			OUString rName(OUString::createFromAscii(pTrans->sXMLName));

			// check for conflicting entries
			DBG_ASSERT(pEventNameMap->find(rName) == pEventNameMap->end(),
					   "conflicting event translations");

			// assign new translation
			(*pEventNameMap)[rName] = 
				OUString::createFromAscii(pTrans->sAPIName);
		}
	}
	// else? ignore!
}

void XMLEventImportHelper::PushTranslationTable()
{
	// save old map and install new one
	aEventNameMapList.push_back(pEventNameMap);
	pEventNameMap = new NameMap();
}

void XMLEventImportHelper::PopTranslationTable()
{
	DBG_ASSERT(aEventNameMapList.size() > 0, 
			   "no translation tables left to pop");
	if (aEventNameMapList.size() > 0)
	{
		// delete current and install old map
		delete pEventNameMap;
		pEventNameMap = aEventNameMapList.back();
		aEventNameMapList.pop_back();
	}
}


SvXMLImportContext* XMLEventImportHelper::CreateContext(
	SvXMLImport& rImport,
	sal_uInt16 nPrefix,
	const OUString& rLocalName,
	const Reference<XAttributeList> & xAttrList,
	XMLEventsImportContext* rEvents,
	const OUString& rXmlEventName,
	const OUString& rLanguage)
{
	SvXMLImportContext* pContext = NULL;

	// translate event name form xml to api
	NameMap::iterator aNameIter = pEventNameMap->find(rXmlEventName);
	if (aNameIter != pEventNameMap->end())
	{
		// check for factory
		FactoryMap::iterator aFactoryIterator = aFactoryMap.find(rLanguage);
		if (aFactoryIterator != aFactoryMap.end())
		{
			// delegate to factory
			pContext = aFactoryIterator->second->CreateContext(
				rImport, nPrefix, rLocalName, xAttrList, 
				rEvents, aNameIter->second, rLanguage);
		}
	}

	// default context (if no context was created above)
	if( NULL == pContext )
	{
		pContext = new SvXMLImportContext(rImport, nPrefix, rLocalName);

        Sequence<OUString> aMsgParams(2);
        
        aMsgParams[0] = rXmlEventName;
        aMsgParams[1] = rLanguage;
        
        rImport.SetError(XMLERROR_FLAG_ERROR | XMLERROR_ILLEGAL_EVENT,
                         aMsgParams);
        
	}

	return pContext;
}
}//end of namespace binfilter
