'use strict' exports.toString = function (klass) { switch (klass) { case 1: return 'IN' case 2: return 'CS' case 3: return 'CH' case 4: return 'HS' case 255: return 'ANY' } return 'UNKNOWN_' + klass } exports.toClass = function (name) { switch (name.toUpperCase()) { case 'IN': return 1 case 'CS': return 2 case 'CH': return 3 case 'HS': return 4 case 'ANY': return 255 } return 0 }