var Parser = require("./Parser.js"),
      DomHandler = require("domhandler");
  
  function defineProp(name, value){
  	delete module.exports[name];
  	module.exports[name] = value;
  	return value;
  }
  
  module.exports = {
  	Parser: Parser,
  	Tokenizer: require("./Tokenizer.js"),
  	ElementType: require("domelementtype"),
  	DomHandler: DomHandler,
  	get FeedHandler(){
  		return defineProp("FeedHandler", require("./FeedHandler.js"));
  	},
  	get Stream(){
  		return defineProp("Stream", require("./Stream.js"));
  	},
  	get WritableStream(){
  		return defineProp("WritableStream", require("./WritableStream.js"));
  	},
  	get ProxyHandler(){
  		return defineProp("ProxyHandler", require("./ProxyHandler.js"));
  	},
  	get DomUtils(){
  		return defineProp("DomUtils", require("domutils"));
  	},
  	get CollectingHandler(){
  		return defineProp("CollectingHandler", require("./CollectingHandler.js"));
  	},
  	// For legacy support
  	DefaultHandler: DomHandler,
  	get RssHandler(){
  		return defineProp("RssHandler", this.FeedHandler);
  	},
  	//helper methods
  	parseDOM: function(data, options){
  		var handler = new DomHandler(options);
  		new Parser(handler, options).end(data);
  		return handler.dom;
  	},
  	parseFeed: function(feed, options){
  		var handler = new module.exports.FeedHandler(options);
  		new Parser(handler, options).end(feed);
  		return handler.dom;
  	},
  	createDomStream: function(cb, options, elementCb){
  		var handler = new DomHandler(cb, options, elementCb);
  		return new Parser(handler, options);
  	},
  	// List of all events that the parser emits
  	EVENTS: { /* Format: eventname: number of arguments */
  		attribute: 2,
  		cdatastart: 0,
  		cdataend: 0,
  		text: 1,
  		processinginstruction: 2,
  		comment: 1,
  		commentend: 0,
  		closetag: 1,
  		opentag: 2,
  		opentagname: 1,
  		error: 1,
  		end: 0
  	}
  };