text: define(function(require, exports) {
  	var Lexer = require('./lexer/Lexer'),
  		CssLexer = require('./lexer/CssLexer'),
  		EcmascriptRule = require('./lexer/rule/EcmascriptRule'),
  		CssRule = require('./lexer/rule/CssRule');
  	exports.lexer = function(syntax) {
  		switch(syntax.toLowerCase()) {
  			case "js":
  			case "javascript":
  			case "ecmascript":
  			case "jscript":
  			case "as":
  			case "as3":
  			case "actionscript":
  			case "actionscript3":
  				return new Lexer(new EcmascriptRule());
  			case "css":
  			case "css2":
  			case "css3":
  				return new CssLexer(new CssRule());
  			case "java":
  				return new Lexer(new JavaRule());
  			case "c":
  			case "c++":
  			case "cpp":
  			case "cplusplus":
  				return new Lexer(new CRule());
  			/*case "py":
  			case "python":
  				return new PythonLexer(new PythonRule());
  			case "xml":
  				return new XmlLexer();
  			case "css":
  				return new CssLexer(new CssRule());
  			case "htm":
  			case "html":
  				return new HtmlLexer();
  			case "php":
  				return new PhpLexer();
  			default:
  				return new LanguageLexer(new UnknowRule());*/
  		}
  	};
  });