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adilakhter/resourcePath.scala

Created April 9, 2014 15:05
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resourcePath.scala
lazy val resourcePath: PackratParser[Expression] =(
"/" ~> idn ~ ("(" ~> predicate <~ ")") ~ opt(resourcePath) ^^ {
case Property(name) ~ keyPredicate ~ None => ResourcePath(name, keyPredicate, EmptyExp())
case Property(name) ~ keyPredicate ~ Some(expr) => ResourcePath(name, keyPredicate, expr)
}
| "/" ~> idn~ opt(resourcePath) ^^ {
case Property(e)~None => ResourcePath(e, EmptyExp(), EmptyExp())
case Property(e)~Some(expr) => ResourcePath(e, EmptyExp(), expr)
}
)
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