// createCustomParser.js
(function () {
  /*global adventurejs A*/
  "use strict";

  var p = adventurejs.Parser.prototype;

  /**
   * Install custom parser(s) defined by author.
   * @memberOf adventurejs.Parser
   * @method adventurejs.Parser#createCustomParser
   * @param {Object} parsers An object containing one or more parser functions.
   */
  p.createCustomParser = function Parser_createCustomParser(parsers) {
    var keys = Object.keys(parsers);
    for (var i = 0; i < keys.length; i++) {
      var parser_name = keys[i];
      var msg = "";
      if ("undefined" !== typeof this.custom_parsers[parser_name]) {
        msg =
          "createCustomParser received more than one parser named " +
          parser_name +
          ". ";
        console.warn(msg);
        return false;
      }
      //console.warn( parsers[ parser_name ], typeof parsers[ parser_name ]);
      if ("function" !== typeof parsers[parser_name]) {
        msg =
          "createCustomParser received something that is not a function for parser " +
          parser_name +
          ". ";
        console.warn(msg);
        return false;
      }
      this.custom_parsers[parser_name] = parsers[parser_name];
      this.custom_parsers_enabled[parser_name] = false;
      msg = "createCustomParser.js > registered " + parser_name + ". ";
      //console.log( msg );
      this.game.log("log", "high", msg, "Parser");
    }
    return;
  };
})();