Bug 210507 Enhance Report engine to support multiple view
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/ir/EngineIRReader.java
throws IOException
	{
		while ( in.available( ) > 0 )
		{
			short fieldType = IOUtil.readShort( in );
			readLabelField( in, label, fieldType );
		}
	}
	protected void readLabelField( DataInputStream in, LabelItemDesign label,
			short fieldType ) throws IOException
	{
		switch ( fieldType )
		{
			case FIELD_TEXT :
				String textKey = IOUtil.readString( in );
				String text = IOUtil.readString( in );
				label.setText( textKey, text );
				break;
			case FIELD_HELP_TEXT :
				String helpTextKey = IOUtil.readString( in );
				String helpText = IOUtil.readString( in );
				label.setHelpText( helpTextKey, helpText );
				break;
			default :
				readReportItemField( in, label, fieldType );
		}
	}
	protected void readData( DataInputStream in, DataItemDesign data )
			throws IOException
	{