artisan-log-parser.scala

  def parseLine(l: String) = {
    def march(l: String, pos: Int, ch: Char): Int = {
      var i = pos; while (i < l.length) {
        if (l.charAt(i) == ch) return i
        i += 1
      }
      sys.error("")
    }

    def marchUntilStringEnds(l: String, pos: Int): Int = {
      if (l.charAt(pos) != '"') return sys.error("")
      var i = pos+1; while (i < l.length) {
        if (l.charAt(i) == '"' && l.charAt(i-1) != '\\') return i+1
        i += 1
      }
      sys.error("")
    }

    var pos, end = 0
    end = march(l, pos, ' ')
    val ip = l.substring(pos, end)
    pos = end+1

    end = march(l, pos, ' ')
    pos = end+1

    end = march(l, pos, ' ')
    pos = end+1

    end = march(l, pos, ']')
    val date = l.substring(pos+1, end)
    pos = end+2

    end = marchUntilStringEnds(l, pos)
    val req = l.substring(pos+1, end-1)
    pos = end+1

    end = march(l, pos, ' ')
    val resp = l.substring(pos, end)
    pos = end+1

    end = march(l, pos, ' ')
    val bytes = l.substring(pos, end)
    pos = end+1

    end = marchUntilStringEnds(l, pos)
    val ref = l.substring(pos+1, end-1)
    pos = end+1

    end = marchUntilStringEnds(l, pos)
    val ua = l.substring(pos+1, end-1)
    pos = end+1

    Array(ip, date, req, resp, bytes, ref, ua)
  }