Oracle TNS Connect String Parser in JavaScript

TNSConnectParser.js

function parseConnectString(str) {
  var strLen = str.length;
  var isFound = false;
  var sb = [];
  var par = [];

  for (var jj = 0; jj < strLen; ++jj) {
    var c = str[jj];

    if (' ' === c)
      continue;

    if ('(' === c) {
      isFound = false;
    } else if (')' === c) {
      var child = par.shift();
      if (true === isFound) {
        var value = sb.join('');
        if (true === /^\+?(0|[1-9]\d*)$/.test(value))
          child.value = parseInt(value);
        else
          child.value = value;
        sb = [];
        isFound = false;
      }

      if (0 === par.length) {
        var _objectify = function (arr) {
          var rv = {};
          if ('object' === typeof arr['value']) {
            var val = {};
            for (var ii = 0; ii < arr['value'].length; ++ii) {
              var obj = _objectify(arr['value'][ii]);
              for (var pair in obj)
                val[pair] = obj[pair];
            }
            rv[arr['name']] = val;
          } else {
            rv[arr['name']] = arr['value'];
          }

          return rv;
        }
        return _objectify(child);
      } else {
        par[0].value.push(child);
      }
    } else if ('=' === c) {
      var child = {
        name: sb.join('')
          .toLowerCase(),
        value: []
      };
      par.unshift(child);
      sb = [];
      isFound = true;
    } else {
      sb.push(c);
    }
  }

  return {};
}

This parses:

(DESCRIPTION=
  (CONNECT_DATA=
    (SERVICE_NAME=XE)
    (CID=
      (PROGRAM=sqlplus)
      (HOST=jharris.home)
      (USER=scott)))
  (ADDRESS=
    (PROTOCOL=TCP)
    (HOST=127.0.0.1)
    (PORT=1521)))

into:

{
  "description":{
    "connect_data":{
      "service_name":"XE",
      "cid":{
        "program":"sqlplus",
        "host":"jharris.home",
        "user":"scott"
      }
    },
    "address":{
      "protocol":"TCP",
      "host":"127.0.0.1",
      "port":1521
    }
  }
}