// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE

(function(mod) {
    if (typeof exports == "object" && typeof module == "object") // CommonJS
        mod(require("../../lib/codemirror"));
    else if (typeof define == "function" && define.amd) // AMD
        define(["../../lib/codemirror"], mod);
    else // Plain browser env
        mod(CodeMirror);
})(function(CodeMirror) {
    "use strict";

    CodeMirror.defineMode("css", function(config, parserConfig) {
        if (!parserConfig.propertyKeywords) parserConfig = CodeMirror.resolveMode("text/css");

        var indentUnit = config.indentUnit,
            tokenHooks = parserConfig.tokenHooks,
            documentTypes = parserConfig.documentTypes || {},
            mediaTypes = parserConfig.mediaTypes || {},
            mediaFeatures = parserConfig.mediaFeatures || {},
            propertyKeywords = parserConfig.propertyKeywords || {},
            nonStandardPropertyKeywords = parserConfig.nonStandardPropertyKeywords || {},
            fontProperties = parserConfig.fontProperties || {},
            counterDescriptors = parserConfig.counterDescriptors || {},
            colorKeywords = parserConfig.colorKeywords || {},
            valueKeywords = parserConfig.valueKeywords || {},
            allowNested = parserConfig.allowNested;

        var type, override;
        function ret(style, tp) { type = tp; return style; }

        // Tokenizers

        function tokenBase(stream, state) {
            var ch = stream.next();
            if (tokenHooks[ch]) {
                var result = tokenHooks[ch](stream, state);
                if (result !== false) return result;
            }
            if (ch == "@") {
                stream.eatWhile(/[\w\\\-]/);
                return ret("def", stream.current());
            } else if (ch == "=" || (ch == "~" || ch == "|") && stream.eat("=")) {
                return ret(null, "compare");
            } else if (ch == "\"" || ch == "'") {
                state.tokenize = tokenString(ch);
                return state.tokenize(stream, state);
            } else if (ch == "#") {
                stream.eatWhile(/[\w\\\-]/);
                return ret("atom", "hash");
            } else if (ch == "!") {
                stream.match(/^\s*\w*/);
                return ret("keyword", "important");
            } else if (/\d/.test(ch) || ch == "." && stream.eat(/\d/)) {
                stream.eatWhile(/[\w.%]/);
                return ret("number", "unit");
            } else if (ch === "-") {
                if (/[\d.]/.test(stream.peek())) {
                    stream.eatWhile(/[\w.%]/);
                    return ret("number", "unit");
                } else if (stream.match(/^-[\w\\\-]+/)) {
                    stream.eatWhile(/[\w\\\-]/);
                    if (stream.match(/^\s*:/, false))
                        return ret("variable-2", "variable-definition");
                    return ret("variable-2", "variable");
                } else if (stream.match(/^\w+-/)) {
                    return ret("meta", "meta");
                }
            } else if (/[,+>*\/]/.test(ch)) {
                return ret(null, "select-op");
            } else if (ch == "." && stream.match(/^-?[_a-z][_a-z0-9-]*/i)) {
                return ret("qualifier", "qualifier");
            } else if (/[:;{}\[\]\(\)]/.test(ch)) {
                return ret(null, ch);
            } else if ((ch == "u" && stream.match(/rl(-prefix)?\(/)) ||
                       (ch == "d" && stream.match("omain(")) ||
                       (ch == "r" && stream.match("egexp("))) {
                stream.backUp(1);
                state.tokenize = tokenParenthesized;
                return ret("property", "word");
            } else if (/[\w\\\-]/.test(ch)) {
                stream.eatWhile(/[\w\\\-]/);
                return ret("property", "word");
            } else {
                return ret(null, null);
            }
        }

        function tokenString(quote) {
            return function(stream, state) {
                var escaped = false, ch;
                while ((ch = stream.next()) != null) {
                    if (ch == quote && !escaped) {
                        if (quote == ")") stream.backUp(1);
                        break;
                    }
                    escaped = !escaped && ch == "\\";
                }
                if (ch == quote || !escaped && quote != ")") state.tokenize = null;
                return ret("string", "string");
            };
        }

        function tokenParenthesized(stream, state) {
            stream.next(); // Must be '('
            if (!stream.match(/\s*[\"\')]/, false))
                state.tokenize = tokenString(")");
            else
                state.tokenize = null;
            return ret(null, "(");
        }

        // Context management

        function Context(type, indent, prev) {
            this.type = type;
            this.indent = indent;
            this.prev = prev;
        }

        function pushContext(state, stream, type) {
            state.context = new Context(type, stream.indentation() + indentUnit, state.context);
            return type;
        }

        function popContext(state) {
            state.context = state.context.prev;
            return state.context.type;
        }

        function pass(type, stream, state) {
            return states[state.context.type](type, stream, state);
        }
        function popAndPass(type, stream, state, n) {
            for (var i = n || 1; i > 0; i--)
                state.context = state.context.prev;
            return pass(type, stream, state);
        }

        // Parser

        function wordAsValue(stream) {
            var word = stream.current().toLowerCase();
            if (valueKeywords.hasOwnProperty(word))
                override = "atom";
            else if (colorKeywords.hasOwnProperty(word))
                override = "keyword";
            else
                override = "variable";
        }

        var states = {};

        states.top = function(type, stream, state) {
            if (type == "{") {
                return pushContext(state, stream, "block");
            } else if (type == "}" && state.context.prev) {
                return popContext(state);
            } else if (/@(media|supports|(-moz-)?document)/.test(type)) {
                return pushContext(state, stream, "atBlock");
            } else if (/@(font-face|counter-style)/.test(type)) {
                state.stateArg = type;
                return "restricted_atBlock_before";
            } else if (/^@(-(moz|ms|o|webkit)-)?keyframes$/.test(type)) {
                return "keyframes";
            } else if (type && type.charAt(0) == "@") {
                return pushContext(state, stream, "at");
            } else if (type == "hash") {
                override = "builtin";
            } else if (type == "word") {
                override = "tag";
            } else if (type == "variable-definition") {
                return "maybeprop";
            } else if (type == "interpolation") {
                return pushContext(state, stream, "interpolation");
            } else if (type == ":") {
                return "pseudo";
            } else if (allowNested && type == "(") {
                return pushContext(state, stream, "parens");
            }
            return state.context.type;
        };

        states.block = function(type, stream, state) {
            if (type == "word") {
                var word = stream.current().toLowerCase();
                if (propertyKeywords.hasOwnProperty(word)) {
                    override = "property";
                    return "maybeprop";
                } else if (nonStandardPropertyKeywords.hasOwnProperty(word)) {
                    override = "string-2";
                    return "maybeprop";
                } else if (allowNested) {
                    override = stream.match(/^\s*:(?:\s|$)/, false) ? "property" : "tag";
                    return "block";
                } else {
                    override += " error";
                    return "maybeprop";
                }
            } else if (type == "meta") {
                return "block";
            } else if (!allowNested && (type == "hash" || type == "qualifier")) {
                override = "error";
                return "block";
            } else {
                return states.top(type, stream, state);
            }
        };

        states.maybeprop = function(type, stream, state) {
            if (type == ":") return pushContext(state, stream, "prop");
            return pass(type, stream, state);
        };

        states.prop = function(type, stream, state) {
            if (type == ";") return popContext(state);
            if (type == "{" && allowNested) return pushContext(state, stream, "propBlock");
            if (type == "}" || type == "{") return popAndPass(type, stream, state);
            if (type == "(") return pushContext(state, stream, "parens");

            if (type == "hash" && !/^#([0-9a-fA-f]{3}|[0-9a-fA-f]{6})$/.test(stream.current())) {
                override += " error";
            } else if (type == "word") {
                wordAsValue(stream);
            } else if (type == "interpolation") {
                return pushContext(state, stream, "interpolation");
            }
            return "prop";
        };

        states.propBlock = function(type, _stream, state) {
            if (type == "}") return popContext(state);
            if (type == "word") { override = "property"; return "maybeprop"; }
            return state.context.type;
        };

        states.parens = function(type, stream, state) {
            if (type == "{" || type == "}") return popAndPass(type, stream, state);
            if (type == ")") return popContext(state);
            if (type == "(") return pushContext(state, stream, "parens");
            if (type == "interpolation") return pushContext(state, stream, "interpolation");
            if (type == "word") wordAsValue(stream);
            return "parens";
        };

        states.pseudo = function(type, stream, state) {
            if (type == "word") {
                override = "variable-3";
                return state.context.type;
            }
            return pass(type, stream, state);
        };

        states.atBlock = function(type, stream, state) {
            if (type == "(") return pushContext(state, stream, "atBlock_parens");
            if (type == "}") return popAndPass(type, stream, state);
            if (type == "{") return popContext(state) && pushContext(state, stream, allowNested ? "block" : "top");

            if (type == "word") {
                var word = stream.current().toLowerCase();
                if (word == "only" || word == "not" || word == "and" || word == "or")
                    override = "keyword";
                else if (documentTypes.hasOwnProperty(word))
                    override = "tag";
                else if (mediaTypes.hasOwnProperty(word))
                    override = "attribute";
                else if (mediaFeatures.hasOwnProperty(word))
                    override = "property";
                else if (propertyKeywords.hasOwnProperty(word))
                    override = "property";
                else if (nonStandardPropertyKeywords.hasOwnProperty(word))
                    override = "string-2";
                else if (valueKeywords.hasOwnProperty(word))
                    override = "atom";
                else
                    override = "error";
            }
            return state.context.type;
        };

        states.atBlock_parens = function(type, stream, state) {
            if (type == ")") return popContext(state);
            if (type == "{" || type == "}") return popAndPass(type, stream, state, 2);
            return states.atBlock(type, stream, state);
        };

        states.restricted_atBlock_before = function(type, stream, state) {
            if (type == "{")
                return pushContext(state, stream, "restricted_atBlock");
            if (type == "word" && state.stateArg == "@counter-style") {
                override = "variable";
                return "restricted_atBlock_before";
            }
            return pass(type, stream, state);
        };

        states.restricted_atBlock = function(type, stream, state) {
            if (type == "}") {
                state.stateArg = null;
                return popContext(state);
            }
            if (type == "word") {
                if ((state.stateArg == "@font-face" && !fontProperties.hasOwnProperty(stream.current().toLowerCase())) ||
                    (state.stateArg == "@counter-style" && !counterDescriptors.hasOwnProperty(stream.current().toLowerCase())))
                    override = "error";
                else
                    override = "property";
                return "maybeprop";
            }
            return "restricted_atBlock";
        };

        states.keyframes = function(type, stream, state) {
            if (type == "word") { override = "variable"; return "keyframes"; }
            if (type == "{") return pushContext(state, stream, "top");
            return pass(type, stream, state);
        };

        states.at = function(type, stream, state) {
            if (type == ";") return popContext(state);
            if (type == "{" || type == "}") return popAndPass(type, stream, state);
            if (type == "word") override = "tag";
            else if (type == "hash") override = "builtin";
            return "at";
        };

        states.interpolation = function(type, stream, state) {
            if (type == "}") return popContext(state);
            if (type == "{" || type == ";") return popAndPass(type, stream, state);
            if (type != "variable") override = "error";
            return "interpolation";
        };

        return {
            startState: function(base) {
                return {tokenize: null,
                        state: "top",
                        stateArg: null,
                        context: new Context("top", base || 0, null)};
            },

            token: function(stream, state) {
                if (!state.tokenize && stream.eatSpace()) return null;
                var style = (state.tokenize || tokenBase)(stream, state);
                if (style && typeof style == "object") {
                    type = style[1];
                    style = style[0];
                }
                override = style;
                state.state = states[state.state](type, stream, state);
                return override;
            },

            indent: function(state, textAfter) {
                var cx = state.context, ch = textAfter && textAfter.charAt(0);
                var indent = cx.indent;
                if (cx.type == "prop" && (ch == "}" || ch == ")")) cx = cx.prev;
                if (cx.prev &&
                    (ch == "}" && (cx.type == "block" || cx.type == "top" || cx.type == "interpolation" || cx.type == "restricted_atBlock") ||
                     ch == ")" && (cx.type == "parens" || cx.type == "atBlock_parens") ||
                     ch == "{" && (cx.type == "at" || cx.type == "atBlock"))) {
                    indent = cx.indent - indentUnit;
                    cx = cx.prev;
                }
                return indent;
            },

            electricChars: "}",
            blockCommentStart: "/*",
            blockCommentEnd: "*/",
            fold: "brace"
        };
    });

    function keySet(array) {
        var keys = {};
        for (var i = 0; i < array.length; ++i) {
            keys[array[i]] = true;
        }
        return keys;
    }

    var documentTypes_ = [
        "domain", "regexp", "url", "url-prefix"
    ], documentTypes = keySet(documentTypes_);

    var mediaTypes_ = [
        "all", "aural", "braille", "handheld", "print", "projection", "screen",
        "tty", "tv", "embossed"
    ], mediaTypes = keySet(mediaTypes_);

    var mediaFeatures_ = [
        "width", "min-width", "max-width", "height", "min-height", "max-height",
        "device-width", "min-device-width", "max-device-width", "device-height",
        "min-device-height", "max-device-height", "aspect-ratio",
        "min-aspect-ratio", "max-aspect-ratio", "device-aspect-ratio",
        "min-device-aspect-ratio", "max-device-aspect-ratio", "color", "min-color",
        "max-color", "color-index", "min-color-index", "max-color-index",
        "monochrome", "min-monochrome", "max-monochrome", "resolution",
        "min-resolution", "max-resolution", "scan", "grid"
    ], mediaFeatures = keySet(mediaFeatures_);

    var propertyKeywords_ = [
        "align-content", "align-items", "align-self", "alignment-adjust",
        "alignment-baseline", "anchor-point", "animation", "animation-delay",
        "animation-direction", "animation-duration", "animation-fill-mode",
        "animation-iteration-count", "animation-name", "animation-play-state",
        "animation-timing-function", "appearance", "azimuth", "backface-visibility",
        "background", "background-attachment", "background-clip", "background-color",
        "background-image", "background-origin", "background-position",
        "background-repeat", "background-size", "baseline-shift", "binding",
        "bleed", "bookmark-label", "bookmark-level", "bookmark-state",
        "bookmark-target", "border", "border-bottom", "border-bottom-color",
        "border-bottom-left-radius", "border-bottom-right-radius",
        "border-bottom-style", "border-bottom-width", "border-collapse",
        "border-color", "border-image", "border-image-outset",
        "border-image-repeat", "border-image-slice", "border-image-source",
        "border-image-width", "border-left", "border-left-color",
        "border-left-style", "border-left-width", "border-radius", "border-right",
        "border-right-color", "border-right-style", "border-right-width",
        "border-spacing", "border-style", "border-top", "border-top-color",
        "border-top-left-radius", "border-top-right-radius", "border-top-style",
        "border-top-width", "border-width", "bottom", "box-decoration-break",
        "box-shadow", "box-sizing", "break-after", "break-before", "break-inside",
        "caption-side", "clear", "clip", "color", "color-profile", "column-count",
        "column-fill", "column-gap", "column-rule", "column-rule-color",
        "column-rule-style", "column-rule-width", "column-span", "column-width",
        "columns", "content", "counter-increment", "counter-reset", "crop", "cue",
        "cue-after", "cue-before", "cursor", "direction", "display",
        "dominant-baseline", "drop-initial-after-adjust",
        "drop-initial-after-align", "drop-initial-before-adjust",
        "drop-initial-before-align", "drop-initial-size", "drop-initial-value",
        "elevation", "empty-cells", "fit", "fit-position", "flex", "flex-basis",
        "flex-direction", "flex-flow", "flex-grow", "flex-shrink", "flex-wrap",
        "float", "float-offset", "flow-from", "flow-into", "font", "font-feature-settings",
        "font-family", "font-kerning", "font-language-override", "font-size", "font-size-adjust",
        "font-stretch", "font-style", "font-synthesis", "font-variant",
        "font-variant-alternates", "font-variant-caps", "font-variant-east-asian",
        "font-variant-ligatures", "font-variant-numeric", "font-variant-position",
        "font-weight", "grid", "grid-area", "grid-auto-columns", "grid-auto-flow",
        "grid-auto-position", "grid-auto-rows", "grid-column", "grid-column-end",
        "grid-column-start", "grid-row", "grid-row-end", "grid-row-start",
        "grid-template", "grid-template-areas", "grid-template-columns",
        "grid-template-rows", "hanging-punctuation", "height", "hyphens",
        "icon", "image-orientation", "image-rendering", "image-resolution",
        "inline-box-align", "justify-content", "left", "letter-spacing",
        "line-break", "line-height", "line-stacking", "line-stacking-ruby",
        "line-stacking-shift", "line-stacking-strategy", "list-style",
        "list-style-image", "list-style-position", "list-style-type", "margin",
        "margin-bottom", "margin-left", "margin-right", "margin-top",
        "marker-offset", "marks", "marquee-direction", "marquee-loop",
        "marquee-play-count", "marquee-speed", "marquee-style", "max-height",
        "max-width", "min-height", "min-width", "move-to", "nav-down", "nav-index",
        "nav-left", "nav-right", "nav-up", "object-fit", "object-position",
        "opacity", "order", "orphans", "outline",
        "outline-color", "outline-offset", "outline-style", "outline-width",
        "overflow", "overflow-style", "overflow-wrap", "overflow-x", "overflow-y",
        "padding", "padding-bottom", "padding-left", "padding-right", "padding-top",
        "page", "page-break-after", "page-break-before", "page-break-inside",
        "page-policy", "pause", "pause-after", "pause-before", "perspective",
        "perspective-origin", "pitch", "pitch-range", "play-during", "position",
        "presentation-level", "punctuation-trim", "quotes", "region-break-after",
        "region-break-before", "region-break-inside", "region-fragment",
        "rendering-intent", "resize", "rest", "rest-after", "rest-before", "richness",
        "right", "rotation", "rotation-point", "ruby-align", "ruby-overhang",
        "ruby-position", "ruby-span", "shape-image-threshold", "shape-inside", "shape-margin",
        "shape-outside", "size", "speak", "speak-as", "speak-header",
        "speak-numeral", "speak-punctuation", "speech-rate", "stress", "string-set",
        "tab-size", "table-layout", "target", "target-name", "target-new",
        "target-position", "text-align", "text-align-last", "text-decoration",
        "text-decoration-color", "text-decoration-line", "text-decoration-skip",
        "text-decoration-style", "text-emphasis", "text-emphasis-color",
        "text-emphasis-position", "text-emphasis-style", "text-height",
        "text-indent", "text-justify", "text-outline", "text-overflow", "text-shadow",
        "text-size-adjust", "text-space-collapse", "text-transform", "text-underline-position",
        "text-wrap", "top", "transform", "transform-origin", "transform-style",
        "transition", "transition-delay", "transition-duration",
        "transition-property", "transition-timing-function", "unicode-bidi",
        "vertical-align", "visibility", "voice-balance", "voice-duration",
        "voice-family", "voice-pitch", "voice-range", "voice-rate", "voice-stress",
        "voice-volume", "volume", "white-space", "widows", "width", "word-break",
        "word-spacing", "word-wrap", "z-index",
        // SVG-specific
        "clip-path", "clip-rule", "mask", "enable-background", "filter", "flood-color",
        "flood-opacity", "lighting-color", "stop-color", "stop-opacity", "pointer-events",
        "color-interpolation", "color-interpolation-filters",
        "color-rendering", "fill", "fill-opacity", "fill-rule", "image-rendering",
        "marker", "marker-end", "marker-mid", "marker-start", "shape-rendering", "stroke",
        "stroke-dasharray", "stroke-dashoffset", "stroke-linecap", "stroke-linejoin",
        "stroke-miterlimit", "stroke-opacity", "stroke-width", "text-rendering",
        "baseline-shift", "dominant-baseline", "glyph-orientation-horizontal",
        "glyph-orientation-vertical", "text-anchor", "writing-mode"
    ], propertyKeywords = keySet(propertyKeywords_);

    var nonStandardPropertyKeywords_ = [
        "scrollbar-arrow-color", "scrollbar-base-color", "scrollbar-dark-shadow-color",
        "scrollbar-face-color", "scrollbar-highlight-color", "scrollbar-shadow-color",
        "scrollbar-3d-light-color", "scrollbar-track-color", "shape-inside",
        "searchfield-cancel-button", "searchfield-decoration", "searchfield-results-button",
        "searchfield-results-decoration", "zoom"
    ], nonStandardPropertyKeywords = keySet(nonStandardPropertyKeywords_);

    var fontProperties_ = [
        "font-family", "src", "unicode-range", "font-variant", "font-feature-settings",
        "font-stretch", "font-weight", "font-style"
    ], fontProperties = keySet(fontProperties_);

    var counterDescriptors_ = [
        "additive-symbols", "fallback", "negative", "pad", "prefix", "range",
        "speak-as", "suffix", "symbols", "system"
    ], counterDescriptors = keySet(counterDescriptors_);

    var colorKeywords_ = [
        "aliceblue", "antiquewhite", "aqua", "aquamarine", "azure", "beige",
        "bisque", "black", "blanchedalmond", "blue", "blueviolet", "brown",
        "burlywood", "cadetblue", "chartreuse", "chocolate", "coral", "cornflowerblue",
        "cornsilk", "crimson", "cyan", "darkblue", "darkcyan", "darkgoldenrod",
        "darkgray", "darkgreen", "darkkhaki", "darkmagenta", "darkolivegreen",
        "darkorange", "darkorchid", "darkred", "darksalmon", "darkseagreen",
        "darkslateblue", "darkslategray", "darkturquoise", "darkviolet",
        "deeppink", "deepskyblue", "dimgray", "dodgerblue", "firebrick",
        "floralwhite", "forestgreen", "fuchsia", "gainsboro", "ghostwhite",
        "gold", "goldenrod", "gray", "grey", "green", "greenyellow", "honeydew",
        "hotpink", "indianred", "indigo", "ivory", "khaki", "lavender",
        "lavenderblush", "lawngreen", "lemonchiffon", "lightblue", "lightcoral",
        "lightcyan", "lightgoldenrodyellow", "lightgray", "lightgreen", "lightpink",
        "lightsalmon", "lightseagreen", "lightskyblue", "lightslategray",
        "lightsteelblue", "lightyellow", "lime", "limegreen", "linen", "magenta",
        "maroon", "mediumaquamarine", "mediumblue", "mediumorchid", "mediumpurple",
        "mediumseagreen", "mediumslateblue", "mediumspringgreen", "mediumturquoise",
        "mediumvioletred", "midnightblue", "mintcream", "mistyrose", "moccasin",
        "navajowhite", "navy", "oldlace", "olive", "olivedrab", "orange", "orangered",
        "orchid", "palegoldenrod", "palegreen", "paleturquoise", "palevioletred",
        "papayawhip", "peachpuff", "peru", "pink", "plum", "powderblue",
        "purple", "rebeccapurple", "red", "rosybrown", "royalblue", "saddlebrown",
        "salmon", "sandybrown", "seagreen", "seashell", "sienna", "silver", "skyblue",
        "slateblue", "slategray", "snow", "springgreen", "steelblue", "tan",
        "teal", "thistle", "tomato", "turquoise", "violet", "wheat", "white",
        "whitesmoke", "yellow", "yellowgreen"
    ], colorKeywords = keySet(colorKeywords_);

    var valueKeywords_ = [
        "above", "absolute", "activeborder", "additive", "activecaption", "afar",
        "after-white-space", "ahead", "alias", "all", "all-scroll", "alphabetic", "alternate",
        "always", "amharic", "amharic-abegede", "antialiased", "appworkspace",
        "arabic-indic", "armenian", "asterisks", "attr", "auto", "avoid", "avoid-column", "avoid-page",
        "avoid-region", "background", "backwards", "baseline", "below", "bidi-override", "binary",
        "bengali", "blink", "block", "block-axis", "bold", "bolder", "border", "border-box",
        "both", "bottom", "break", "break-all", "break-word", "bullets", "button", "button-bevel",
        "buttonface", "buttonhighlight", "buttonshadow", "buttontext", "calc", "cambodian",
        "capitalize", "caps-lock-indicator", "caption", "captiontext", "caret",
        "cell", "center", "checkbox", "circle", "cjk-decimal", "cjk-earthly-branch",
        "cjk-heavenly-stem", "cjk-ideographic", "clear", "clip", "close-quote",
        "col-resize", "collapse", "column", "compact", "condensed", "contain", "content",
        "content-box", "context-menu", "continuous", "copy", "counter", "counters", "cover", "crop",
        "cross", "crosshair", "currentcolor", "cursive", "cyclic", "dashed", "decimal",
        "decimal-leading-zero", "default", "default-button", "destination-atop",
        "destination-in", "destination-out", "destination-over", "devanagari",
        "disc", "discard", "disclosure-closed", "disclosure-open", "document",
        "dot-dash", "dot-dot-dash",
        "dotted", "double", "down", "e-resize", "ease", "ease-in", "ease-in-out", "ease-out",
        "element", "ellipse", "ellipsis", "embed", "end", "ethiopic", "ethiopic-abegede",
        "ethiopic-abegede-am-et", "ethiopic-abegede-gez", "ethiopic-abegede-ti-er",
        "ethiopic-abegede-ti-et", "ethiopic-halehame-aa-er",
        "ethiopic-halehame-aa-et", "ethiopic-halehame-am-et",
        "ethiopic-halehame-gez", "ethiopic-halehame-om-et",
        "ethiopic-halehame-sid-et", "ethiopic-halehame-so-et",
        "ethiopic-halehame-ti-er", "ethiopic-halehame-ti-et", "ethiopic-halehame-tig",
        "ethiopic-numeric", "ew-resize", "expanded", "extends", "extra-condensed",
        "extra-expanded", "fantasy", "fast", "fill", "fixed", "flat", "flex", "footnotes",
        "forwards", "from", "geometricPrecision", "georgian", "graytext", "groove",
        "gujarati", "gurmukhi", "hand", "hangul", "hangul-consonant", "hebrew",
        "help", "hidden", "hide", "higher", "highlight", "highlighttext",
        "hiragana", "hiragana-iroha", "horizontal", "hsl", "hsla", "icon", "ignore",
        "inactiveborder", "inactivecaption", "inactivecaptiontext", "infinite",
        "infobackground", "infotext", "inherit", "initial", "inline", "inline-axis",
        "inline-block", "inline-flex", "inline-table", "inset", "inside", "intrinsic", "invert",
        "italic", "japanese-formal", "japanese-informal", "justify", "kannada",
        "katakana", "katakana-iroha", "keep-all", "khmer",
        "korean-hangul-formal", "korean-hanja-formal", "korean-hanja-informal",
        "landscape", "lao", "large", "larger", "left", "level", "lighter",
        "line-through", "linear", "linear-gradient", "lines", "list-item", "listbox", "listitem",
        "local", "logical", "loud", "lower", "lower-alpha", "lower-armenian",
        "lower-greek", "lower-hexadecimal", "lower-latin", "lower-norwegian",
        "lower-roman", "lowercase", "ltr", "malayalam", "match", "matrix", "matrix3d",
        "media-controls-background", "media-current-time-display",
        "media-fullscreen-button", "media-mute-button", "media-play-button",
        "media-return-to-realtime-button", "media-rewind-button",
        "media-seek-back-button", "media-seek-forward-button", "media-slider",
        "media-sliderthumb", "media-time-remaining-display", "media-volume-slider",
        "media-volume-slider-container", "media-volume-sliderthumb", "medium",
        "menu", "menulist", "menulist-button", "menulist-text",
        "menulist-textfield", "menutext", "message-box", "middle", "min-intrinsic",
        "mix", "mongolian", "monospace", "move", "multiple", "myanmar", "n-resize",
        "narrower", "ne-resize", "nesw-resize", "no-close-quote", "no-drop",
        "no-open-quote", "no-repeat", "none", "normal", "not-allowed", "nowrap",
        "ns-resize", "numbers", "numeric", "nw-resize", "nwse-resize", "oblique", "octal", "open-quote",
        "optimizeLegibility", "optimizeSpeed", "oriya", "oromo", "outset",
        "outside", "outside-shape", "overlay", "overline", "padding", "padding-box",
        "painted", "page", "paused", "persian", "perspective", "plus-darker", "plus-lighter",
        "pointer", "polygon", "portrait", "pre", "pre-line", "pre-wrap", "preserve-3d",
        "progress", "push-button", "radial-gradient", "radio", "read-only",
        "read-write", "read-write-plaintext-only", "rectangle", "region",
        "relative", "repeat", "repeating-linear-gradient",
        "repeating-radial-gradient", "repeat-x", "repeat-y", "reset", "reverse",
        "rgb", "rgba", "ridge", "right", "rotate", "rotate3d", "rotateX", "rotateY",
        "rotateZ", "round", "row-resize", "rtl", "run-in", "running",
        "s-resize", "sans-serif", "scale", "scale3d", "scaleX", "scaleY", "scaleZ",
        "scroll", "scrollbar", "se-resize", "searchfield",
        "searchfield-cancel-button", "searchfield-decoration",
        "searchfield-results-button", "searchfield-results-decoration",
        "semi-condensed", "semi-expanded", "separate", "serif", "show", "sidama",
        "simp-chinese-formal", "simp-chinese-informal", "single",
        "skew", "skewX", "skewY", "skip-white-space", "slide", "slider-horizontal",
        "slider-vertical", "sliderthumb-horizontal", "sliderthumb-vertical", "slow",
        "small", "small-caps", "small-caption", "smaller", "solid", "somali",
        "source-atop", "source-in", "source-out", "source-over", "space", "spell-out", "square",
        "square-button", "start", "static", "status-bar", "stretch", "stroke", "sub",
        "subpixel-antialiased", "super", "sw-resize", "symbolic", "symbols", "table",
        "table-caption", "table-cell", "table-column", "table-column-group",
        "table-footer-group", "table-header-group", "table-row", "table-row-group",
        "tamil",
        "telugu", "text", "text-bottom", "text-top", "textarea", "textfield", "thai",
        "thick", "thin", "threeddarkshadow", "threedface", "threedhighlight",
        "threedlightshadow", "threedshadow", "tibetan", "tigre", "tigrinya-er",
        "tigrinya-er-abegede", "tigrinya-et", "tigrinya-et-abegede", "to", "top",
        "trad-chinese-formal", "trad-chinese-informal",
        "translate", "translate3d", "translateX", "translateY", "translateZ",
        "transparent", "ultra-condensed", "ultra-expanded", "underline", "up",
        "upper-alpha", "upper-armenian", "upper-greek", "upper-hexadecimal",
        "upper-latin", "upper-norwegian", "upper-roman", "uppercase", "urdu", "url",
        "var", "vertical", "vertical-text", "visible", "visibleFill", "visiblePainted",
        "visibleStroke", "visual", "w-resize", "wait", "wave", "wider",
        "window", "windowframe", "windowtext", "words", "x-large", "x-small", "xor",
        "xx-large", "xx-small"
    ], valueKeywords = keySet(valueKeywords_);

    var allWords = documentTypes_.concat(mediaTypes_).concat(mediaFeatures_).concat(propertyKeywords_)
            .concat(nonStandardPropertyKeywords_).concat(colorKeywords_).concat(valueKeywords_);
    CodeMirror.registerHelper("hintWords", "css", allWords);

    function tokenCComment(stream, state) {
        var maybeEnd = false, ch;
        while ((ch = stream.next()) != null) {
            if (maybeEnd && ch == "/") {
                state.tokenize = null;
                break;
            }
            maybeEnd = (ch == "*");
        }
        return ["comment", "comment"];
    }

    function tokenSGMLComment(stream, state) {
        if (stream.skipTo("-->")) {
            stream.match("-->");
            state.tokenize = null;
        } else {
            stream.skipToEnd();
        }
        return ["comment", "comment"];
    }

    CodeMirror.defineMIME("text/css", {
        documentTypes: documentTypes,
        mediaTypes: mediaTypes,
        mediaFeatures: mediaFeatures,
        propertyKeywords: propertyKeywords,
        nonStandardPropertyKeywords: nonStandardPropertyKeywords,
        fontProperties: fontProperties,
        counterDescriptors: counterDescriptors,
        colorKeywords: colorKeywords,
        valueKeywords: valueKeywords,
        tokenHooks: {
            "<": function(stream, state) {
                if (!stream.match("!--")) return false;
                state.tokenize = tokenSGMLComment;
                return tokenSGMLComment(stream, state);
            },
            "/": function(stream, state) {
                if (!stream.eat("*")) return false;
                state.tokenize = tokenCComment;
                return tokenCComment(stream, state);
            }
        },
        name: "css"
    });

    CodeMirror.defineMIME("text/x-scss", {
        mediaTypes: mediaTypes,
        mediaFeatures: mediaFeatures,
        propertyKeywords: propertyKeywords,
        nonStandardPropertyKeywords: nonStandardPropertyKeywords,
        colorKeywords: colorKeywords,
        valueKeywords: valueKeywords,
        fontProperties: fontProperties,
        allowNested: true,
        tokenHooks: {
            "/": function(stream, state) {
                if (stream.eat("/")) {
                    stream.skipToEnd();
                    return ["comment", "comment"];
                } else if (stream.eat("*")) {
                    state.tokenize = tokenCComment;
                    return tokenCComment(stream, state);
                } else {
                    return ["operator", "operator"];
                }
            },
            ":": function(stream) {
                if (stream.match(/\s*\{/))
                    return [null, "{"];
                return false;
            },
            "$": function(stream) {
                stream.match(/^[\w-]+/);
                if (stream.match(/^\s*:/, false))
                    return ["variable-2", "variable-definition"];
                return ["variable-2", "variable"];
            },
            "#": function(stream) {
                if (!stream.eat("{")) return false;
                return [null, "interpolation"];
            }
        },
        name: "css",
        helperType: "scss"
    });

    CodeMirror.defineMIME("text/x-less", {
        mediaTypes: mediaTypes,
        mediaFeatures: mediaFeatures,
        propertyKeywords: propertyKeywords,
        nonStandardPropertyKeywords: nonStandardPropertyKeywords,
        colorKeywords: colorKeywords,
        valueKeywords: valueKeywords,
        fontProperties: fontProperties,
        allowNested: true,
        tokenHooks: {
            "/": function(stream, state) {
                if (stream.eat("/")) {
                    stream.skipToEnd();
                    return ["comment", "comment"];
                } else if (stream.eat("*")) {
                    state.tokenize = tokenCComment;
                    return tokenCComment(stream, state);
                } else {
                    return ["operator", "operator"];
                }
            },
            "@": function(stream) {
                if (stream.match(/^(charset|document|font-face|import|(-(moz|ms|o|webkit)-)?keyframes|media|namespace|page|supports)\b/, false)) return false;
                stream.eatWhile(/[\w\\\-]/);
                if (stream.match(/^\s*:/, false))
                    return ["variable-2", "variable-definition"];
                return ["variable-2", "variable"];
            },
            "&": function() {
                return ["atom", "atom"];
            }
        },
        name: "css",
        helperType: "less"
    });

});
