My own rules in Jena Fuseki

[Marcelo Machado]

I am trying to create my own property rules in fuseki. To do so I am using
the Generic Rule Reasoning that allows me to use my own rules. When I use
this strategy with my rules in a file everything works fine:

:model_inf a ja:InfModel ;
    ja:baseModel :tdbGraph ;
    ja:reasoner [
        ja:reasonerURL <http://jena.hpl.hp.com/2003/GenericRuleReasoner> ;
        ja:rulesFrom <file://...> ;
    ] .

However, I would not want to use a file but add the rules directly as a
string. I tried just to copy the content of the rule files that worked in
the example above, but the repository was not created, apparently due to
special characters (e.g. #, \n...):

:model_inf a ja:InfModel ;
    ja:baseModel :tdbGraph ;
    ja:reasoner [
        ja:reasonerURL <http://jena.hpl.hp.com/2003/GenericRuleReasoner> ;
        ja:rule "[${string_rules_variable}]"`;
    ] .
where ${string_rules_variable} (javascript string interpolation) contains
the rules read from the file.

So, what am I doing wrong? I believe this is about escaping special
characters, if so, what would be the way to resolve it?

At.te,

Marcelo de Oliveira Costa Machado