// parseStrings.js

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

	var p = adventurejs.Parser.prototype;

  /**
   * Look for "strings", meaning arbitrary 
   * quote delimited substrings that aren't meant 
   * to be parsed, and replace with the GlobalString 
   * placeholder class.
   * <br><br>
   * Example:<br>
   * type "foo" on keyboard<br>
   * Becomes:<br>
   * type global_string on keyboard<br>
   * @memberOf adventurejs.Parser
   * @method adventurejs.Parser#parseStrings
   * @param {String} input Player input.
   * @returns {String}
   */
   p.parseStrings = function Parser_parseStrings( input ) 
  {
    //this.game.log( "log", "medium", "parseStrings receive: " + input , 'Parser' );
    this.game.world.global_string.set({'values':[]});

    // originally only searched for double quotes
    //var re = /"(.*?)"/g; 

    // now search for both double and single quotes
    var re1 = /"(.*?)"/g; // search for double quotes
    var re2 = /'(.*?)'/g; // search for single quotes
    var reS = [ re1, re2 ];

    for( var i = 0; i < reS.length; i++ )
    {
      var current;
      var counter = 0;
      //while (current = re.exec(input)) 
      while (current = reS[i].exec(input)) 
      {
        this.game.log( "log", "high", "parseStrings > found quoted substring " + counter + ": " + current[0], 'Parser' );
        input = input.replace( current[0], "global_string" );
        this.game.getInput().strings.push( current[0] );
        this.game.world.global_string.values.push( current[0] );
        counter++;
      }    
    }  

    this.game.log( "log", "high", "parseInput.js > parseStrings return: " + input, 'Parser' );
    return input;
  
  }

}());