;(function()
{
	// CommonJS
	typeof(require) != 'undefined' ? SyntaxHighlighter = require('shCore').SyntaxHighlighter : null;

	function Brush()
	{
		// Contributed by Erik Peterson.

		var keywords =	'alias and BEGIN begin break case class def define_method defined do each else elsif ' +
						'END end ensure false for if in module new next nil not or raise redo rescue retry return ' +
						'self super then throw true undef unless until when while yield';

		var builtins =	'Array Bignum Binding Class Continuation Dir Exception FalseClass File::Stat File Fixnum Fload ' +
						'Hash Integer IO MatchData Method Module NilClass Numeric Object Proc Range Regexp String Struct::TMS Symbol ' +
						'ThreadGroup Thread Time TrueClass';

		this.regexList = [
			{ regex: SyntaxHighlighter.regexLib.singleLinePerlComments,	css: 'comments' },		// one line comments
			{ regex: SyntaxHighlighter.regexLib.doubleQuotedString,		css: 'string' },		// double quoted strings
			{ regex: SyntaxHighlighter.regexLib.singleQuotedString,		css: 'string' },		// single quoted strings
			{ regex: /\b[A-Z0-9_]+\b/g,									css: 'constants' },		// constants
			{ regex: /:[a-z][A-Za-z0-9_]*/g,							css: 'color2' },		// symbols
			{ regex: /(\$|@@|@)\w+/g,									css: 'variable bold' },	// $global, @instance, and @@class variables
			{ regex: new RegExp(this.getKeywords(keywords), 'gm'),		css: 'keyword' },		// keywords
			{ regex: new RegExp(this.getKeywords(builtins), 'gm'),		css: 'color1' }			// builtins
			];

		this.forHtmlScript(SyntaxHighlighter.regexLib.aspScriptTags);
	};

	Brush.prototype	= new SyntaxHighlighter.Highlighter();
	Brush.aliases	= ['ruby', 'rails', 'ror', 'rb'];

	SyntaxHighlighter.brushes.Ruby = Brush;

	// CommonJS
	typeof(exports) != 'undefined' ? exports.Brush = Brush : null;
})();