AOO410/main/xmloff/source/forms/propertyimport.cxx

/**************************************************************
 * 
 * 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
 * under the License.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_xmloff.hxx"
#include "propertyimport.hxx"
#include <xmloff/xmlimp.hxx>
#include <xmloff/xmluconv.hxx>
#include <xmloff/nmspmap.hxx>
#include <osl/diagnose.h>
#include <comphelper/extract.hxx>
#include "callbacks.hxx"
#include "xmloff/xmlnmspe.hxx"
#include <tools/date.hxx>
#include <tools/time.hxx>
#include <tools/datetime.hxx>
#include <com/sun/star/util/Date.hpp>
#include <com/sun/star/util/Time.hpp>
#include <com/sun/star/util/DateTime.hpp>
#include <unotools/datetime.hxx>
#include <rtl/logfile.hxx>

#if OSL_DEBUG_LEVEL > 0
    #ifndef _OSL_THREAD_H_
    #include <osl/thread.h>
    #endif
#endif

//.........................................................................
namespace xmloff
{
//.........................................................................

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

	// NO using namespace ...util !!!
	// need a tools Date/Time/DateTime below, which would conflict with the uno types then

#define TYPE_DATE		1
#define TYPE_TIME		2
#define TYPE_DATETIME	3

//=====================================================================
//= PropertyConversion
//=====================================================================
namespace
{
    //---------------------------------------------------------------------
    ::com::sun::star::util::Time lcl_getTime(double _nValue)
    {
	    ::com::sun::star::util::Time aTime;
	    sal_uInt32 nIntValue = sal_Int32(_nValue * 8640000);
	    nIntValue *= 8640000;
	    aTime.HundredthSeconds = (sal_uInt16)( nIntValue % 100 );
	    nIntValue /= 100;
	    aTime.Seconds = (sal_uInt16)( nIntValue % 60 );
	    nIntValue /= 60;
	    aTime.Minutes = (sal_uInt16)( nIntValue % 60 );
	    nIntValue /= 60;
	    OSL_ENSURE(nIntValue < 24, "lcl_getTime: more than a day?");
	    aTime.Hours = static_cast< sal_uInt16 >( nIntValue );

	    return aTime;
    }

    //---------------------------------------------------------------------
    static ::com::sun::star::util::Date lcl_getDate( double _nValue )
    {
	    Date aToolsDate((sal_uInt32)_nValue);
	    ::com::sun::star::util::Date aDate;
	    ::utl::typeConvert(aToolsDate, aDate);
	    return aDate;
    }
}

//---------------------------------------------------------------------
Any PropertyConversion::convertString( SvXMLImport& _rImporter, const ::com::sun::star::uno::Type& _rExpectedType,
	const ::rtl::OUString& _rReadCharacters, const SvXMLEnumMapEntry* _pEnumMap, const sal_Bool _bInvertBoolean )
{
	Any aReturn;
	sal_Bool bEnumAsInt = sal_False;
	switch (_rExpectedType.getTypeClass())
	{
		case TypeClass_BOOLEAN:		// sal_Bool
		{
			sal_Bool bValue;
        #if OSL_DEBUG_LEVEL > 0
			sal_Bool bSuccess =
		#endif
			_rImporter.GetMM100UnitConverter().convertBool(bValue, _rReadCharacters);
			OSL_ENSURE(bSuccess,
					::rtl::OString("PropertyConversion::convertString: could not convert \"")
				+=	::rtl::OString(_rReadCharacters.getStr(), _rReadCharacters.getLength(), RTL_TEXTENCODING_ASCII_US)
				+=	::rtl::OString("\" into a boolean!"));
			aReturn = ::cppu::bool2any(_bInvertBoolean ? !bValue : bValue);
		}
		break;
		case TypeClass_SHORT:		// sal_Int16
		case TypeClass_LONG:		// sal_Int32
			if (!_pEnumMap)
			{	// it's a real int32/16 property
				sal_Int32 nValue(0);
        #if OSL_DEBUG_LEVEL > 0
				sal_Bool bSuccess =
		#endif
				_rImporter.GetMM100UnitConverter().convertNumber(nValue, _rReadCharacters);
				OSL_ENSURE(bSuccess,
						::rtl::OString("PropertyConversion::convertString: could not convert \"")
					+=	::rtl::OString(_rReadCharacters.getStr(), _rReadCharacters.getLength(), RTL_TEXTENCODING_ASCII_US)
					+=	::rtl::OString("\" into an integer!"));
				if (TypeClass_SHORT == _rExpectedType.getTypeClass())
					aReturn <<= (sal_Int16)nValue;
				else
					aReturn <<= (sal_Int32)nValue;
				break;
			}
			bEnumAsInt = sal_True;
			// NO BREAK! handle it as enum
		case TypeClass_ENUM:
		{
			sal_uInt16 nEnumValue(0);
        #if OSL_DEBUG_LEVEL > 0
			sal_Bool bSuccess =
		#endif
			_rImporter.GetMM100UnitConverter().convertEnum(nEnumValue, _rReadCharacters, _pEnumMap);
			OSL_ENSURE(bSuccess, "PropertyConversion::convertString: could not convert to an enum value!");
			if (bEnumAsInt)
				if (TypeClass_SHORT == _rExpectedType.getTypeClass())
					aReturn <<= (sal_Int16)nEnumValue;
				else
					aReturn <<= (sal_Int32)nEnumValue;
			else
				aReturn = ::cppu::int2enum((sal_Int32)nEnumValue, _rExpectedType);
		}
		break;
		case TypeClass_HYPER:
		{
			OSL_ENSURE(sal_False, "PropertyConversion::convertString: 64-bit integers not implemented yet!");
		}
		break;
		case TypeClass_DOUBLE:
		{
			double nValue;
        #if OSL_DEBUG_LEVEL > 0
			sal_Bool bSuccess =
		#endif
			_rImporter.GetMM100UnitConverter().convertDouble(nValue, _rReadCharacters);
			OSL_ENSURE(bSuccess,
					::rtl::OString("PropertyConversion::convertString: could not convert \"")
				+=	::rtl::OString(_rReadCharacters.getStr(), _rReadCharacters.getLength(), RTL_TEXTENCODING_ASCII_US)
				+=	::rtl::OString("\" into a double!"));
			aReturn <<= (double)nValue;
		}
		break;
		case TypeClass_STRING:
			aReturn <<= _rReadCharacters;
			break;
		case TypeClass_STRUCT:
		{
			sal_Int32 nType = 0;
            if ( _rExpectedType.equals( ::cppu::UnoType< ::com::sun::star::util::Date >::get() ) )
                nType = TYPE_DATE;
            else if ( _rExpectedType.equals( ::cppu::UnoType< ::com::sun::star::util::Time >::get() ) )
                nType = TYPE_TIME;
            else  if ( _rExpectedType.equals( ::cppu::UnoType< ::com::sun::star::util::DateTime >::get() ) )
                nType = TYPE_DATETIME;

            if ( nType )
			{
				// first extract the double
				double nValue = 0;
            #if OSL_DEBUG_LEVEL > 0
				sal_Bool bSuccess =
			#endif
				_rImporter.GetMM100UnitConverter().convertDouble(nValue, _rReadCharacters);
				OSL_ENSURE(bSuccess,
						::rtl::OString("PropertyConversion::convertString: could not convert \"")
					+=	::rtl::OString(_rReadCharacters.getStr(), _rReadCharacters.getLength(), RTL_TEXTENCODING_ASCII_US)
					+=	::rtl::OString("\" into a double!"));

				// then convert it into the target type
				switch (nType)
				{
					case TYPE_DATE:
					{
						OSL_ENSURE(((sal_uInt32)nValue) - nValue == 0,
							"PropertyConversion::convertString: a Date value with a fractional part?");
						aReturn <<= lcl_getDate(nValue);
					}
					break;
					case TYPE_TIME:
					{
						OSL_ENSURE(((sal_uInt32)nValue) == 0,
							"PropertyConversion::convertString: a Time value with more than a fractional part?");
						aReturn <<= lcl_getTime(nValue);
					}
					break;
					case TYPE_DATETIME:
					{
						::com::sun::star::util::Time aTime = lcl_getTime(nValue);
						::com::sun::star::util::Date aDate = lcl_getDate(nValue);

						::com::sun::star::util::DateTime aDateTime;
						aDateTime.HundredthSeconds = aTime.HundredthSeconds;
						aDateTime.Seconds = aTime.Seconds;
						aDateTime.Minutes = aTime.Minutes;
						aDateTime.Hours = aTime.Hours;
						aDateTime.Day = aDate.Day;
						aDateTime.Month = aDate.Month;
						aDateTime.Year = aDate.Year;
						aReturn <<= aDateTime;
					}
					break;
				}
			}
			else
				OSL_ENSURE(sal_False, "PropertyConversion::convertString: unsupported property type!");
		}
		break;
		default:
			OSL_ENSURE(sal_False, "PropertyConversion::convertString: invalid type class!");
	}

	return aReturn;
}

//---------------------------------------------------------------------
Type PropertyConversion::xmlTypeToUnoType( const ::rtl::OUString& _rType )
{
    Type aUnoType( ::getVoidCppuType() );

	DECLARE_STL_USTRINGACCESS_MAP( ::com::sun::star::uno::Type, MapString2Type );
	static MapString2Type s_aTypeNameMap;
	if ( s_aTypeNameMap.empty() )
	{
		s_aTypeNameMap[ token::GetXMLToken( token::XML_BOOLEAN ) ] = ::getBooleanCppuType();
		s_aTypeNameMap[ token::GetXMLToken( token::XML_FLOAT )   ] = ::getCppuType( static_cast< double* >(NULL) );
		s_aTypeNameMap[ token::GetXMLToken( token::XML_STRING )  ] = ::getCppuType( static_cast< ::rtl::OUString* >(NULL) );
		s_aTypeNameMap[ token::GetXMLToken( token::XML_VOID )    ] = ::getVoidCppuType();
	}

	const ConstMapString2TypeIterator aTypePos = s_aTypeNameMap.find( _rType );
    OSL_ENSURE( s_aTypeNameMap.end() != aTypePos, "PropertyConversion::xmlTypeToUnoType: invalid property name!" );
	if ( s_aTypeNameMap.end() != aTypePos )
		aUnoType = aTypePos->second;

    return aUnoType;
}

//=====================================================================
//= OPropertyImport
//=====================================================================
//---------------------------------------------------------------------
OPropertyImport::OPropertyImport(OFormLayerXMLImport_Impl& _rImport, sal_uInt16 _nPrefix, const ::rtl::OUString& _rName)
	:SvXMLImportContext(_rImport.getGlobalContext(), _nPrefix, _rName)
	,m_rContext(_rImport)
	,m_bTrackAttributes(sal_False)
{
}

//---------------------------------------------------------------------
SvXMLImportContext* OPropertyImport::CreateChildContext(sal_uInt16 _nPrefix, const ::rtl::OUString& _rLocalName,
	const Reference< sax::XAttributeList >& _rxAttrList)
{
	if( token::IsXMLToken( _rLocalName, token::XML_PROPERTIES) )
	{
		return new OPropertyElementsContext( m_rContext.getGlobalContext(), 
											 _nPrefix, _rLocalName, this);
	}
	else
	{
		OSL_ENSURE(sal_False,
				::rtl::OString("OPropertyImport::CreateChildContext: unknown sub element (only \"properties\" is recognized, but it is ")
			+=	::rtl::OString(_rLocalName.getStr(), _rLocalName.getLength(), RTL_TEXTENCODING_ASCII_US)
			+=	::rtl::OString(")!"));
		return SvXMLImportContext::CreateChildContext(_nPrefix, _rLocalName, _rxAttrList);
	}
}

//---------------------------------------------------------------------
void OPropertyImport::StartElement(const Reference< sax::XAttributeList >& _rxAttrList)
{
	OSL_ENSURE(_rxAttrList.is(), "OPropertyImport::StartElement: invalid attribute list!");
	const sal_Int32 nAttributeCount = _rxAttrList->getLength();

	// assume the 'worst' case: all attributes describe properties. This should save our property array
	// some reallocs
	m_aValues.reserve(nAttributeCount);

    const SvXMLNamespaceMap& rMap = m_rContext.getGlobalContext().GetNamespaceMap();
	sal_uInt16 nNamespace;
	::rtl::OUString sLocalName;
	for (sal_Int16 i=0; i<nAttributeCount; ++i)
	{
		nNamespace = rMap.GetKeyByAttrName(_rxAttrList->getNameByIndex(i), &sLocalName);
		handleAttribute(nNamespace, sLocalName, _rxAttrList->getValueByIndex(i));

		if (m_bTrackAttributes)
			m_aEncounteredAttributes.insert(sLocalName);
	}

	// TODO: create PropertyValues for all the attributes which were not present, because they were implied
    // this is necessary as soon as we have properties where the XML default is different from the property
    // default
}

//---------------------------------------------------------------------
sal_Bool OPropertyImport::encounteredAttribute(const ::rtl::OUString& _rAttributeName) const
{
	OSL_ENSURE(m_bTrackAttributes, "OPropertyImport::encounteredAttribute: attribute tracking not enabled!");
	return m_aEncounteredAttributes.end() != m_aEncounteredAttributes.find(_rAttributeName);
}

//---------------------------------------------------------------------
void OPropertyImport::Characters(const ::rtl::OUString&
#if OSL_DEBUG_LEVEL > 0
_rChars
#endif
)
{
	// ignore them (should be whitespaces only)
	OSL_ENSURE(0 == _rChars.trim().getLength(), "OPropertyImport::Characters: non-whitespace characters!");
}

//---------------------------------------------------------------------
bool OPropertyImport::handleAttribute(sal_uInt16 /*_nNamespaceKey*/, const ::rtl::OUString& _rLocalName, const ::rtl::OUString& _rValue)
{
	const OAttribute2Property::AttributeAssignment* pProperty = m_rContext.getAttributeMap().getAttributeTranslation(_rLocalName);
	if (pProperty)
	{
		// create and store a new PropertyValue
		PropertyValue aNewValue;
		aNewValue.Name = pProperty->sPropertyName;

		// convert the value string into the target type
		aNewValue.Value = PropertyConversion::convertString(m_rContext.getGlobalContext(), pProperty->aPropertyType, _rValue, pProperty->pEnumMap, pProperty->bInverseSemantics);
		implPushBackPropertyValue( aNewValue );
        return true;
	}
	if (!token::IsXMLToken(_rLocalName, token::XML_TYPE))  // xlink:type is valid but ignored for <form:form>
    {
#if OSL_DEBUG_LEVEL > 0
        ::rtl::OString sMessage( "OPropertyImport::handleAttribute: Can't handle the following:\n" );
        sMessage += ::rtl::OString( "  Attribute name: " );
        sMessage += ::rtl::OString( _rLocalName.getStr(), _rLocalName.getLength(), osl_getThreadTextEncoding() );
        sMessage += ::rtl::OString( "\n  value: " );
        sMessage += ::rtl::OString( _rValue.getStr(), _rValue.getLength(), osl_getThreadTextEncoding() );
        OSL_ENSURE( sal_False, sMessage.getStr() );
#endif
        return false;
    }
    return true;
}

//=====================================================================
//= OPropertyElementsContext
//=====================================================================
//---------------------------------------------------------------------
OPropertyElementsContext::OPropertyElementsContext(SvXMLImport& _rImport, sal_uInt16 _nPrefix, const ::rtl::OUString& _rName,
		const OPropertyImportRef& _rPropertyImporter)
	:SvXMLImportContext(_rImport, _nPrefix, _rName)
	,m_xPropertyImporter(_rPropertyImporter)
{
}

//---------------------------------------------------------------------
SvXMLImportContext* OPropertyElementsContext::CreateChildContext(sal_uInt16 _nPrefix, const ::rtl::OUString& _rLocalName,
	const Reference< sax::XAttributeList >&)
{
	if( token::IsXMLToken( _rLocalName, token::XML_PROPERTY ) )
	{
		return new OSinglePropertyContext(GetImport(), _nPrefix, _rLocalName, m_xPropertyImporter);
	}
	else if( token::IsXMLToken( _rLocalName, token::XML_LIST_PROPERTY ) )
	{
		return new OListPropertyContext( GetImport(), _nPrefix, _rLocalName, m_xPropertyImporter );
	}
	else
	{
		OSL_ENSURE(sal_False,
				::rtl::OString("OPropertyElementsContext::CreateChildContext: unknown child element (\"")
			+=	::rtl::OString(_rLocalName.getStr(), _rLocalName.getLength(), RTL_TEXTENCODING_ASCII_US)
			+=	::rtl::OString("\")!"));
		return new SvXMLImportContext(GetImport(), _nPrefix, _rLocalName);
	}
}

#if OSL_DEBUG_LEVEL > 0
	//---------------------------------------------------------------------
	void OPropertyElementsContext::StartElement(const Reference< sax::XAttributeList >& _rxAttrList)
	{
		OSL_ENSURE(0 == _rxAttrList->getLength(), "OPropertyElementsContext::StartElement: the form:properties element should not have attributes!");
		SvXMLImportContext::StartElement(_rxAttrList);
	}

	//---------------------------------------------------------------------
	void OPropertyElementsContext::Characters(const ::rtl::OUString& _rChars)
	{
		OSL_ENSURE(0 == _rChars.trim(), "OPropertyElementsContext::Characters: non-whitespace characters detected!");
		SvXMLImportContext::Characters(_rChars);
	}

#endif

//=====================================================================
//= OSinglePropertyContext
//=====================================================================
//---------------------------------------------------------------------
OSinglePropertyContext::OSinglePropertyContext(SvXMLImport& _rImport, sal_uInt16 _nPrefix, const ::rtl::OUString& _rName,
		const OPropertyImportRef& _rPropertyImporter)
	:SvXMLImportContext(_rImport, _nPrefix, _rName)
	,m_xPropertyImporter(_rPropertyImporter)
{
}

//---------------------------------------------------------------------
SvXMLImportContext* OSinglePropertyContext::CreateChildContext(sal_uInt16 _nPrefix, const ::rtl::OUString& _rLocalName,
		const Reference< sax::XAttributeList >&)
{
	OSL_ENSURE(sal_False,
			::rtl::OString("OSinglePropertyContext::CreateChildContext: unknown child element (\"")
		+=	::rtl::OString(_rLocalName.getStr(), _rLocalName.getLength(), RTL_TEXTENCODING_ASCII_US)
		+=	::rtl::OString("\")!"));
	return new SvXMLImportContext(GetImport(), _nPrefix, _rLocalName);
}

//---------------------------------------------------------------------
void OSinglePropertyContext::StartElement(const Reference< sax::XAttributeList >& _rxAttrList)
{
	::com::sun::star::beans::PropertyValue aPropValue;		// the property the instance imports currently
	::com::sun::star::uno::Type	aPropType;			// the type of the property the instance imports currently

	::rtl::OUString sType, sValue;
    const SvXMLNamespaceMap& rMap = GetImport().GetNamespaceMap();
	const sal_Int16 nAttrCount = _rxAttrList.is() ? _rxAttrList->getLength() : 0;
	for( sal_Int16 i=0; i < nAttrCount; i++ )
	{
		const ::rtl::OUString& rAttrName = _rxAttrList->getNameByIndex( i );
		//const ::rtl::OUString& rValue = _rxAttrList->getValueByIndex( i );

		::rtl::OUString aLocalName;
		sal_uInt16 nPrefix =
			rMap.GetKeyByAttrName( rAttrName,
															&aLocalName );
		if( XML_NAMESPACE_FORM == nPrefix )
		{
			if( token::IsXMLToken( aLocalName, token::XML_PROPERTY_NAME ) )
				aPropValue.Name = _rxAttrList->getValueByIndex( i );

		}
		else if( XML_NAMESPACE_OFFICE == nPrefix )
		{
			if( token::IsXMLToken( aLocalName, token::XML_VALUE_TYPE ) )
				sType = _rxAttrList->getValueByIndex( i );
			else if( token::IsXMLToken( aLocalName, 
										token::XML_VALUE ) ||
				   	 token::IsXMLToken( aLocalName, 
										token::XML_BOOLEAN_VALUE ) ||
					 token::IsXMLToken( aLocalName, 
										token::XML_STRING_VALUE ) )
				sValue = _rxAttrList->getValueByIndex( i );
		}
	}

	// the name of the property
	OSL_ENSURE(aPropValue.Name.getLength(), "OSinglePropertyContext::StartElement: invalid property name!");

	// needs to be translated into a ::com::sun::star::uno::Type
    aPropType = PropertyConversion::xmlTypeToUnoType( sType );
	if( TypeClass_VOID == aPropType.getTypeClass() )
	{
		aPropValue.Value = Any();
	}
	else
	{
		aPropValue.Value = 
			PropertyConversion::convertString(GetImport(), aPropType, 
										   sValue);
	}

	// now that we finally have our property value, add it to our parent object
	if( aPropValue.Name.getLength() )
		m_xPropertyImporter->implPushBackGenericPropertyValue(aPropValue);
}

//=====================================================================
//= OListPropertyContext
//=====================================================================
//---------------------------------------------------------------------
OListPropertyContext::OListPropertyContext( SvXMLImport& _rImport, sal_uInt16 _nPrefix, const ::rtl::OUString& _rName,
    const OPropertyImportRef& _rPropertyImporter )
    :SvXMLImportContext( _rImport, _nPrefix, _rName )
    ,m_xPropertyImporter( _rPropertyImporter )
{
}

//---------------------------------------------------------------------
void OListPropertyContext::StartElement( const Reference< sax::XAttributeList >& _rxAttrList )
{
	sal_Int32 nAttributeCount = _rxAttrList->getLength();

	sal_uInt16 nNamespace;
	::rtl::OUString sAttributeName;
    const SvXMLNamespaceMap& rMap = GetImport().GetNamespaceMap();
	for ( sal_Int16 i = 0; i < nAttributeCount; ++i )
	{
		nNamespace = rMap.GetKeyByAttrName( _rxAttrList->getNameByIndex( i ), &sAttributeName );
		if  (   ( XML_NAMESPACE_FORM == nNamespace )
            &&  ( token::IsXMLToken( sAttributeName, token::XML_PROPERTY_NAME ) )
            )
        {
            m_sPropertyName = _rxAttrList->getValueByIndex( i );
        }
        else if (   ( XML_NAMESPACE_OFFICE == nNamespace )
                &&  ( token::IsXMLToken( sAttributeName, token::XML_VALUE_TYPE ) )
                )
        {
            m_sPropertyType = _rxAttrList->getValueByIndex( i );
        }
        else
        {
		    OSL_ENSURE( false,
				    ::rtl::OString( "OListPropertyContext::StartElement: unknown child element (\"")
			    +=	::rtl::OString( sAttributeName.getStr(), sAttributeName.getLength(), RTL_TEXTENCODING_ASCII_US )
			    +=	::rtl::OString( "\")!" ) );
        }
	}
}

//---------------------------------------------------------------------
void OListPropertyContext::EndElement()
{
    OSL_ENSURE( m_sPropertyName.getLength() && m_sPropertyType.getLength(),
        "OListPropertyContext::EndElement: no property name or type!" );

    if ( !m_sPropertyName.getLength() || !m_sPropertyType.getLength() )
        return;

    Sequence< Any > aListElements( m_aListValues.size() );
    Any* pListElement = aListElements.getArray();
    com::sun::star::uno::Type aType = PropertyConversion::xmlTypeToUnoType( m_sPropertyType );
    for (   ::std::vector< ::rtl::OUString >::const_iterator values = m_aListValues.begin();
            values != m_aListValues.end();
            ++values, ++pListElement
        )
    {
        *pListElement = PropertyConversion::convertString( GetImport(), aType, *values );
    }

    PropertyValue aSequenceValue;
    aSequenceValue.Name = m_sPropertyName;
    aSequenceValue.Value <<= aListElements;

    m_xPropertyImporter->implPushBackGenericPropertyValue( aSequenceValue );
}

//---------------------------------------------------------------------
SvXMLImportContext* OListPropertyContext::CreateChildContext( sal_uInt16 _nPrefix, const ::rtl::OUString& _rLocalName, const Reference< sax::XAttributeList >& /*_rxAttrList*/ )
{
	if ( token::IsXMLToken( _rLocalName, token::XML_LIST_VALUE ) )
	{
        m_aListValues.resize( m_aListValues.size() + 1 );
		return new OListValueContext( GetImport(), _nPrefix, _rLocalName, *m_aListValues.rbegin() );
	}
	else
	{
		OSL_ENSURE( sal_False,
				::rtl::OString("OListPropertyContext::CreateChildContext: unknown child element (\"")
			+=	::rtl::OString(_rLocalName.getStr(), _rLocalName.getLength(), RTL_TEXTENCODING_ASCII_US)
			+=	::rtl::OString("\")!"));
		return new SvXMLImportContext( GetImport(), _nPrefix, _rLocalName );
	}
}

//=====================================================================
//= OListValueContext
//=====================================================================
//---------------------------------------------------------------------
OListValueContext::OListValueContext( SvXMLImport& _rImport, sal_uInt16 _nPrefix, const ::rtl::OUString& _rName, ::rtl::OUString& _rListValueHolder )
    :SvXMLImportContext( _rImport, _nPrefix, _rName )
    ,m_rListValueHolder( _rListValueHolder )
{
}

//---------------------------------------------------------------------
void OListValueContext::StartElement( const Reference< sax::XAttributeList >& _rxAttrList )
{
	const sal_Int32 nAttributeCount = _rxAttrList->getLength();

	sal_uInt16 nNamespace;
	::rtl::OUString sAttributeName;
    const SvXMLNamespaceMap& rMap = GetImport().GetNamespaceMap();
	for ( sal_Int16 i = 0; i < nAttributeCount; ++i )
	{
		nNamespace = rMap.GetKeyByAttrName( _rxAttrList->getNameByIndex( i ), &sAttributeName );
        if ( XML_NAMESPACE_OFFICE == nNamespace )
        {
            if  (   token::IsXMLToken( sAttributeName, token::XML_VALUE )
               ||   token::IsXMLToken( sAttributeName, token::XML_STRING_VALUE )
               ||   token::IsXMLToken( sAttributeName, token::XML_BOOLEAN_VALUE )
                )
            {
                m_rListValueHolder = _rxAttrList->getValueByIndex( i );
                continue;
            }
        }

		OSL_ENSURE( false,
				::rtl::OString( "OListValueContext::StartElement: unknown child element (\"")
			+=	::rtl::OString( sAttributeName.getStr(), sAttributeName.getLength(), RTL_TEXTENCODING_ASCII_US )
			+=	::rtl::OString( "\")!" ) );
	}
}

//.........................................................................
}	// namespace xmloff
//.........................................................................