/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *  
 *       http://www.apache.org/licenses/LICENSE-2.0
 *  
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *
 */
;(function()
{
	// CommonJS
	typeof(require) != 'undefined' ? SyntaxHighlighter = require('shCore').SyntaxHighlighter : null;

	function Brush()
	{
		function getKeywordsCSS(str)
		{
			return '\\b([a-z_]|)' + str.replace(/ /g, '(?=:)\\b|\\b([a-z_\\*]|\\*|)') + '(?=:)\\b';
		};
	
		function getValuesCSS(str)
		{
			return '\\b' + str.replace(/ /g, '(?!-)(?!:)\\b|\\b()') + '\:\\b';
		};

		var keywords =	'ascent azimuth background-attachment background-color background-image background-position ' +
						'background-repeat background baseline bbox border-collapse border-color border-spacing border-style border-top ' +
						'border-right border-bottom border-left border-top-color border-right-color border-bottom-color border-left-color ' +
						'border-top-style border-right-style border-bottom-style border-left-style border-top-width border-right-width ' +
						'border-bottom-width border-left-width border-width border bottom cap-height caption-side centerline clear clip color ' +
						'content counter-increment counter-reset cue-after cue-before cue cursor definition-src descent direction display ' +
						'elevation empty-cells float font-size-adjust font-family font-size font-stretch font-style font-variant font-weight font ' +
						'height left letter-spacing line-height list-style-image list-style-position list-style-type list-style margin-top ' +
						'margin-right margin-bottom margin-left margin marker-offset marks mathline max-height max-width min-height min-width orphans ' +
						'outline-color outline-style outline-width outline overflow padding-top padding-right padding-bottom padding-left padding page ' +
						'page-break-after page-break-before page-break-inside pause pause-after pause-before pitch pitch-range play-during position ' +
						'quotes right richness size slope src speak-header speak-numeral speak-punctuation speak speech-rate stemh stemv stress ' +
						'table-layout text-align top text-decoration text-indent text-shadow text-transform unicode-bidi unicode-range units-per-em ' +
						'vertical-align visibility voice-family volume white-space widows width widths word-spacing x-height z-index';
		
		var values =	'above absolute all always aqua armenian attr aural auto avoid baseline behind below bidi-override black blink block blue bold bolder '+
						'both bottom braille capitalize caption center center-left center-right circle close-quote code collapse compact condensed '+
						'continuous counter counters crop cross crosshair cursive dashed decimal decimal-leading-zero digits disc dotted double '+
						'embed embossed e-resize expanded extra-condensed extra-expanded fantasy far-left far-right fast faster fixed format fuchsia '+
						'gray green groove handheld hebrew help hidden hide high higher icon inline-table inline inset inside invert italic '+
						'justify landscape large larger left-side left leftwards level lighter lime line-through list-item local loud lower-alpha '+
						'lowercase lower-greek lower-latin lower-roman lower low ltr marker maroon medium message-box middle mix move narrower '+
						'navy ne-resize no-close-quote none no-open-quote no-repeat normal nowrap n-resize nw-resize oblique olive once open-quote outset '+
						'outside overline pointer portrait pre print projection purple red relative repeat repeat-x repeat-y rgb ridge right right-side '+
						'rightwards rtl run-in screen scroll semi-condensed semi-expanded separate se-resize show silent silver slower slow '+
						'small small-caps small-caption smaller soft solid speech spell-out square s-resize static status-bar sub super sw-resize '+
						'table-caption table-cell table-column table-column-group table-footer-group table-header-group table-row table-row-group teal '+
						'text-bottom text-top thick thin top transparent tty tv ultra-condensed ultra-expanded underline upper-alpha uppercase upper-latin '+
						'upper-roman url visible wait white wider w-resize x-fast x-high x-large x-loud x-low x-slow x-small x-soft xx-large xx-small yellow';
		
		var fonts =		'[mM]onospace [tT]ahoma [vV]erdana [aA]rial [hH]elvetica [sS]ans-serif [sS]erif [cC]ourier mono sans serif';
		
		var statements		= '!important !default';
		var preprocessor	= '@import @extend @debug @warn @if @for @while @mixin @include';
		
		var r = SyntaxHighlighter.regexLib;
		
		this.regexList = [
			{ regex: r.multiLineCComments,								css: 'comments' },		// multiline comments
			{ regex: r.singleLineCComments,								css: 'comments' },		// singleline comments
			{ regex: r.doubleQuotedString,								css: 'string' },		// double quoted strings
			{ regex: r.singleQuotedString,								css: 'string' },		// single quoted strings
			{ regex: /\#[a-fA-F0-9]{3,6}/g,								css: 'value' },			// html colors
			{ regex: /\b(-?\d+)(\.\d+)?(px|em|pt|\:|\%|)\b/g,			css: 'value' },			// sizes
			{ regex: /\$\w+/g,											css: 'variable' },		// variables
			{ regex: new RegExp(this.getKeywords(statements), 'g'),		css: 'color3' },		// statements
			{ regex: new RegExp(this.getKeywords(preprocessor), 'g'),	css: 'preprocessor' },	// preprocessor
			{ regex: new RegExp(getKeywordsCSS(keywords), 'gm'),		css: 'keyword' },		// keywords
			{ regex: new RegExp(getValuesCSS(values), 'g'),				css: 'value' },			// values
			{ regex: new RegExp(this.getKeywords(fonts), 'g'),			css: 'color1' }			// fonts
			];
	};

	Brush.prototype	= new SyntaxHighlighter.Highlighter();
	Brush.aliases	= ['sass', 'scss'];

	SyntaxHighlighter.brushes.Sass = Brush;

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