CSS Parser

CssParser.scala

import util.parsing.combinator.JavaTokenParsers

case class Rule(val selectors : List[String], val properties : List[Property])

case class Property(name: String, value: String)

object CssParser extends JavaTokenParsers {

  def rules = rule+

  private def rule = selectors ~ properties ^^ {
    case s ~ p => Rule(s,p)
  } ;

  private def selectors = repsep(selector, ",");

  private def selector = """[A-Za-z0-9-_~:#=">$\*\.\[\]\|\s\^\+\(\)]+""".r;

  private def properties = "{" ~> repsep(property, ";") <~ "}";

  private def property = propertyName ~ propertyValue ^^ {
    case n ~ v => Property(n,v);
  };

  private def propertyName = """([\w\d-_]+)""".r <~ ":";

  private def propertyValue = """[^;}]+""".r;
}