Qt 中sax方式 解析 xml文件

1 bool CSFCfgFileBase::LoadConfigFile( const QString &strCfgFile )

{

if( strCfgFile != "" )

{

m_strConfigFileName	= strCfgFile;

}

QFile file(m_strConfigFileName);

if (!file.open(QFile::ReadOnly | QFile::Text))

{

return false;

}

file.seek( 0 );

QXmlInputSource	xmlInputSource(&file);

QXmlSimpleReader reader;

reader.setContentHandler(this);

reader.setErrorHandler(this);

bool bResult = reader.parse( xmlInputSource );

file.close();

if( bResult )

{

InitAllFeatures();

m_bCfgLoaded = true;

}

return m_bCfgLoaded;

}

2.bool CSFCfgFileValueExchange::startElement(const QString& namespaceURI, const QString& localName, const QString& qName, const QXmlAttributes& atts)

{

if( m_eCurrentRoute == XRT_FEATURE && m_slParseRoute.size() == XRL_FEATURE )

{

if( qName == "ValueExchange" )

{

m_eCurrentRoute = XRT_FEATURE_VALUEEXCHANGE;

}

else

{

return CSFCfgFileClass::startElement( namespaceURI, localName, qName, atts );

}

}

else if( m_eCurrentRoute == XRT_FEATURE_VALUEEXCHANGE && m_slParseRoute.size() == XRL_FEATURE_VALUEEXCHANGE )

{

if( qName == "ITEM" )

{

CSFCfgParserValueExchange::DS_ValueExchangeItem	dsItem;

CSFCfgParserValueExchange::LoadValueExchangeItem( atts, &dsItem );

GetCfgValueExchangesPtr()->push_back( dsItem );

}

else

{

}

}

else

{

return CSFCfgFileClass::startElement( namespaceURI, localName, qName, atts );

}

m_slParseRoute.append( qName );

return true;

}

3.bool CSFCfgFileValueExchange::endElement(const QString& namespaceURI, const QString& localName, const QString& qName)

{

if( m_slParseRoute.size() == XRL_FEATURE_VALUEEXCHANGE && m_eCurrentRoute == XRT_FEATURE_VALUEEXCHANGE && qName == "ValueExchange" )

{

m_eCurrentRoute = XRT_FEATURE;

}

else

{

return CSFCfgFileClass::endElement( namespaceURI, localName, qName );

}

m_slParseRoute.removeLast();

return true;

}