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 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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 *************************************************************/


// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_xmloff.hxx"
#include "EventOOoTContext.hxx"
#include "EventMap.hxx"
#include "MutableAttrList.hxx"
#include "xmloff/xmlnmspe.hxx"
#ifndef _XMLOFF_ACTIONMAPTYPESOOo_HXX
#include "ActionMapTypesOOo.hxx"
#endif
#include "AttrTransformerAction.hxx"
#include "TransformerActions.hxx"
#ifndef _XMLOFF_TRANSFORMERBASE_HXX
#include "TransformerBase.hxx"
#endif
#include <comphelper/stl_types.hxx>
#include <rtl/ustrbuf.hxx>

#include <hash_map>

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

class XMLTransformerOOoEventMap_Impl:
	public ::std::hash_map< ::rtl::OUString, NameKey_Impl,
						    ::rtl::OUStringHash, ::comphelper::UStringEqual >
{
public:

	void AddMap( XMLTransformerEventMapEntry *pInit );

	XMLTransformerOOoEventMap_Impl( XMLTransformerEventMapEntry *pInit,
		   							XMLTransformerEventMapEntry *pInit2	);
	~XMLTransformerOOoEventMap_Impl();
};

void XMLTransformerOOoEventMap_Impl::AddMap( XMLTransformerEventMapEntry *pInit )
{
	XMLTransformerOOoEventMap_Impl::key_type aKey;
	XMLTransformerOOoEventMap_Impl::mapped_type aData;
	while( pInit->m_pOOoName )
	{
		aKey = OUString::createFromAscii(pInit->m_pOOoName);

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

		aData.m_nPrefix = pInit->m_nOASISPrefix;
		aData.m_aLocalName = OUString::createFromAscii(pInit->m_pOASISName);

		XMLTransformerOOoEventMap_Impl::value_type aVal( aKey, aData );

		if( !insert( aVal ).second )
		{
			OSL_ENSURE( false, "duplicate OOo event name extry" );
		}

		++pInit;
	}
}

XMLTransformerOOoEventMap_Impl::XMLTransformerOOoEventMap_Impl(
		XMLTransformerEventMapEntry *pInit,
	    XMLTransformerEventMapEntry *pInit2	)
{
	if( pInit )
		AddMap( pInit );
	if( pInit )
		AddMap( pInit2 );
}

XMLTransformerOOoEventMap_Impl::~XMLTransformerOOoEventMap_Impl()
{
}

// -----------------------------------------------------------------------------

TYPEINIT1( XMLEventOOoTransformerContext, XMLPersElemContentTContext );

XMLEventOOoTransformerContext::XMLEventOOoTransformerContext(
		XMLTransformerBase& rImp,
		const OUString& rQName,
	    sal_Bool bPersistent ) :
	XMLPersElemContentTContext( rImp, rQName,
		rImp.GetNamespaceMap().GetKeyByAttrName( rQName ), 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 )
{
	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 );
	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_HREF:
				// TODO
				break;
			case XML_ATACTION_EVENT_NAME:
				pMutableAttrList->SetValueByIndex( i,
							   GetTransformer().GetEventName( rAttrValue ) );
				break;
			case XML_ATACTION_ADD_NAMESPACE_PREFIX:
				{
					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_MACRO_LOCATION:
				aLocation = rAttrValue;
				pMutableAttrList->RemoveAttributeByIndex( i );
				--i;
				--nAttrCount;
				break;
			case XML_ATACTION_MACRO_NAME:
				aMacroName = rAttrValue;
				nMacroName = i;
				break;
			case XML_ATACTION_COPY:
				break;
			default:
				OSL_ENSURE( sal_False, "unknown action" );
				break;
			}
		}
	}

	if( nMacroName != -1 && aLocation.getLength() > 0 )
	{
		if( !IsXMLToken( aLocation, XML_APPLICATION ) )
			aLocation = GetXMLToken( XML_DOCUMENT );
		OUStringBuffer sTmp( aLocation.getLength() + aMacroName.getLength() + 1 );
		sTmp = aLocation;
		sTmp.append( sal_Unicode( ':' ) );
		sTmp.append( aMacroName );
		pMutableAttrList->SetValueByIndex( nMacroName,
										   sTmp.makeStringAndClear() );
	}

	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() );
}

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);
}

sal_Bool XMLEventOOoTransformerContext::IsPersistent() const
{
	return m_bPersistent;
}