grammar pruebas.MyDsl 



ScxmlStateType  hidden(WS):

	'<state'
	
		( 'id=' name = ID
		& ('src=' importURI = LocalUrl)?
		& ('initial=' initial1 = [ScxmlStateType | ID])? ) //state
		
	scxmlStateMix = ScxmlStateMix	
;	 

ScxmlStateMix:
	('/>') |
	('>'	
	
		( state += ScxmlStateType* 
		& transition += ScxmlTransitionType* )

		
	'</state>')	
;

ScxmlTransitionType:
	{ScxmlTransitionType}
	'<transition'
	
		 ('target=' target = [ScxmlStateType | ID])? // state
	'/>'
					
;


LocalUrl:
	('../')? ID (('/' | '../') ID )* ('.' ID)?
;

LocalUrlDataType:
 	QUOTE_V1 LocalUrl QUOTE_V1
 	//| QUOTE_V2 LocalUrl QUOTE_V2	
;

terminal QUOTE_V1:
	'"'
;

terminal QUOTE_V2:
	'\''
;


terminal ID: 
	('a'..'z'|'A'..'Z'|'_'|'-') ('a'..'z'|'A'..'Z'|'_'|'-'|'0'..'9')*
;

terminal WS: 
	(' '|'\t'|'\r'|'\n')+
;

<state id=x1 [b]src=y.test[/b]>  

	<state id=x2>
		<transition target=y2 />   
	</state>  
  
</state>  

<state	id=y1>   
 
	<state id=y2>
		<transition target=y1 />
	</state> 
	   	    
</state>   

public class MyDslRuntimeModule extends pruebas.AbstractMyDslRuntimeModule {

    @Override
    public Class<? extends IValueConverterService> bindIValueConverterService() {
        return LocalUrlDataTypeValueConverter.class;
    }	
	
}

public class LocalUrlDataTypeValueConverter extends DefaultTerminalConverters {
	
    @ValueConverter(rule = "LocalUrlDataType")
    public IValueConverter<String> LocalUrlDataType() {
    	
        return new IValueConverter<String>() {
        	
        	@Override
            public String toValue(String string, INode node) {
        		if (string == null)
        			return null;
        		try {
        			return Strings.convertFromJavaString(string.substring(1, string.length() - 1), true);
        		} catch (IllegalArgumentException e) {
        			throw new ValueConverterException(e.getMessage(), node, e);
        		}
            }

            public String toString(String value) {
                return value;
            }
            
        };
        
    }
    
}