1CodeMirror.defineMode("css", function(config) {
2  var indentUnit = config.indentUnit, type;
3
4  var atMediaTypes = keySet([
5    "all", "aural", "braille", "handheld", "print", "projection", "screen",
6    "tty", "tv", "embossed"
7  ]);
8
9  var atMediaFeatures = keySet([
10    "width", "min-width", "max-width", "height", "min-height", "max-height",
11    "device-width", "min-device-width", "max-device-width", "device-height",
12    "min-device-height", "max-device-height", "aspect-ratio",
13    "min-aspect-ratio", "max-aspect-ratio", "device-aspect-ratio",
14    "min-device-aspect-ratio", "max-device-aspect-ratio", "color", "min-color",
15    "max-color", "color-index", "min-color-index", "max-color-index",
16    "monochrome", "min-monochrome", "max-monochrome", "resolution",
17    "min-resolution", "max-resolution", "scan", "grid"
18  ]);
19
20  var propertyKeywords = keySet([
21    "align-content", "align-items", "align-self", "alignment-adjust",
22    "alignment-baseline", "anchor-point", "animation", "animation-delay",
23    "animation-direction", "animation-duration", "animation-iteration-count",
24    "animation-name", "animation-play-state", "animation-timing-function",
25    "appearance", "azimuth", "backface-visibility", "background",
26    "background-attachment", "background-clip", "background-color",
27    "background-image", "background-origin", "background-position",
28    "background-repeat", "background-size", "baseline-shift", "binding",
29    "bleed", "bookmark-label", "bookmark-level", "bookmark-state",
30    "bookmark-target", "border", "border-bottom", "border-bottom-color",
31    "border-bottom-left-radius", "border-bottom-right-radius",
32    "border-bottom-style", "border-bottom-width", "border-collapse",
33    "border-color", "border-image", "border-image-outset",
34    "border-image-repeat", "border-image-slice", "border-image-source",
35    "border-image-width", "border-left", "border-left-color",
36    "border-left-style", "border-left-width", "border-radius", "border-right",
37    "border-right-color", "border-right-style", "border-right-width",
38    "border-spacing", "border-style", "border-top", "border-top-color",
39    "border-top-left-radius", "border-top-right-radius", "border-top-style",
40    "border-top-width", "border-width", "bottom", "box-decoration-break",
41    "box-shadow", "box-sizing", "break-after", "break-before", "break-inside",
42    "caption-side", "clear", "clip", "color", "color-profile", "column-count",
43    "column-fill", "column-gap", "column-rule", "column-rule-color",
44    "column-rule-style", "column-rule-width", "column-span", "column-width",
45    "columns", "content", "counter-increment", "counter-reset", "crop", "cue",
46    "cue-after", "cue-before", "cursor", "direction", "display",
47    "dominant-baseline", "drop-initial-after-adjust",
48    "drop-initial-after-align", "drop-initial-before-adjust",
49    "drop-initial-before-align", "drop-initial-size", "drop-initial-value",
50    "elevation", "empty-cells", "fit", "fit-position", "flex", "flex-basis",
51    "flex-direction", "flex-flow", "flex-grow", "flex-shrink", "flex-wrap",
52    "float", "float-offset", "font", "font-feature-settings", "font-family",
53    "font-kerning", "font-language-override", "font-size", "font-size-adjust",
54    "font-stretch", "font-style", "font-synthesis", "font-variant",
55    "font-variant-alternates", "font-variant-caps", "font-variant-east-asian",
56    "font-variant-ligatures", "font-variant-numeric", "font-variant-position",
57    "font-weight", "grid-cell", "grid-column", "grid-column-align",
58    "grid-column-sizing", "grid-column-span", "grid-columns", "grid-flow",
59    "grid-row", "grid-row-align", "grid-row-sizing", "grid-row-span",
60    "grid-rows", "grid-template", "hanging-punctuation", "height", "hyphens",
61    "icon", "image-orientation", "image-rendering", "image-resolution",
62    "inline-box-align", "justify-content", "left", "letter-spacing",
63    "line-break", "line-height", "line-stacking", "line-stacking-ruby",
64    "line-stacking-shift", "line-stacking-strategy", "list-style",
65    "list-style-image", "list-style-position", "list-style-type", "margin",
66    "margin-bottom", "margin-left", "margin-right", "margin-top",
67    "marker-offset", "marks", "marquee-direction", "marquee-loop",
68    "marquee-play-count", "marquee-speed", "marquee-style", "max-height",
69    "max-width", "min-height", "min-width", "move-to", "nav-down", "nav-index",
70    "nav-left", "nav-right", "nav-up", "opacity", "order", "orphans", "outline",
71    "outline-color", "outline-offset", "outline-style", "outline-width",
72    "overflow", "overflow-style", "overflow-wrap", "overflow-x", "overflow-y",
73    "padding", "padding-bottom", "padding-left", "padding-right", "padding-top",
74    "page", "page-break-after", "page-break-before", "page-break-inside",
75    "page-policy", "pause", "pause-after", "pause-before", "perspective",
76    "perspective-origin", "pitch", "pitch-range", "play-during", "position",
77    "presentation-level", "punctuation-trim", "quotes", "rendering-intent",
78    "resize", "rest", "rest-after", "rest-before", "richness", "right",
79    "rotation", "rotation-point", "ruby-align", "ruby-overhang",
80    "ruby-position", "ruby-span", "size", "speak", "speak-as", "speak-header",
81    "speak-numeral", "speak-punctuation", "speech-rate", "stress", "string-set",
82    "tab-size", "table-layout", "target", "target-name", "target-new",
83    "target-position", "text-align", "text-align-last", "text-decoration",
84    "text-decoration-color", "text-decoration-line", "text-decoration-skip",
85    "text-decoration-style", "text-emphasis", "text-emphasis-color",
86    "text-emphasis-position", "text-emphasis-style", "text-height",
87    "text-indent", "text-justify", "text-outline", "text-shadow",
88    "text-space-collapse", "text-transform", "text-underline-position",
89    "text-wrap", "top", "transform", "transform-origin", "transform-style",
90    "transition", "transition-delay", "transition-duration",
91    "transition-property", "transition-timing-function", "unicode-bidi",
92    "vertical-align", "visibility", "voice-balance", "voice-duration",
93    "voice-family", "voice-pitch", "voice-range", "voice-rate", "voice-stress",
94    "voice-volume", "volume", "white-space", "widows", "width", "word-break",
95    "word-spacing", "word-wrap", "z-index"
96  ]);
97
98  var colorKeywords = keySet([
99    "black", "silver", "gray", "white", "maroon", "red", "purple", "fuchsia",
100    "green", "lime", "olive", "yellow", "navy", "blue", "teal", "aqua"
101  ]);
102
103  var valueKeywords = keySet([
104    "above", "absolute", "activeborder", "activecaption", "afar",
105    "after-white-space", "ahead", "alias", "all", "all-scroll", "alternate",
106    "always", "amharic", "amharic-abegede", "antialiased", "appworkspace",
107    "arabic-indic", "armenian", "asterisks", "auto", "avoid", "background",
108    "backwards", "baseline", "below", "bidi-override", "binary", "bengali",
109    "blink", "block", "block-axis", "bold", "bolder", "border", "border-box",
110    "both", "bottom", "break-all", "break-word", "button", "button-bevel",
111    "buttonface", "buttonhighlight", "buttonshadow", "buttontext", "cambodian",
112    "capitalize", "caps-lock-indicator", "caption", "captiontext", "caret",
113    "cell", "center", "checkbox", "circle", "cjk-earthly-branch",
114    "cjk-heavenly-stem", "cjk-ideographic", "clear", "clip", "close-quote",
115    "col-resize", "collapse", "compact", "condensed", "contain", "content",
116    "content-box", "context-menu", "continuous", "copy", "cover", "crop",
117    "cross", "crosshair", "currentcolor", "cursive", "dashed", "decimal",
118    "decimal-leading-zero", "default", "default-button", "destination-atop",
119    "destination-in", "destination-out", "destination-over", "devanagari",
120    "disc", "discard", "document", "dot-dash", "dot-dot-dash", "dotted",
121    "double", "down", "e-resize", "ease", "ease-in", "ease-in-out", "ease-out",
122    "element", "ellipsis", "embed", "end", "ethiopic", "ethiopic-abegede",
123    "ethiopic-abegede-am-et", "ethiopic-abegede-gez", "ethiopic-abegede-ti-er",
124    "ethiopic-abegede-ti-et", "ethiopic-halehame-aa-er",
125    "ethiopic-halehame-aa-et", "ethiopic-halehame-am-et",
126    "ethiopic-halehame-gez", "ethiopic-halehame-om-et",
127    "ethiopic-halehame-sid-et", "ethiopic-halehame-so-et",
128    "ethiopic-halehame-ti-er", "ethiopic-halehame-ti-et",
129    "ethiopic-halehame-tig", "ew-resize", "expanded", "extra-condensed",
130    "extra-expanded", "fantasy", "fast", "fill", "fixed", "flat", "footnotes",
131    "forwards", "from", "geometricPrecision", "georgian", "graytext", "groove",
132    "gujarati", "gurmukhi", "hand", "hangul", "hangul-consonant", "hebrew",
133    "help", "hidden", "hide", "higher", "highlight", "highlighttext",
134    "hiragana", "hiragana-iroha", "horizontal", "hsl", "hsla", "icon", "ignore",
135    "inactiveborder", "inactivecaption", "inactivecaptiontext", "infinite",
136    "infobackground", "infotext", "inherit", "initial", "inline", "inline-axis",
137    "inline-block", "inline-table", "inset", "inside", "intrinsic", "invert",
138    "italic", "justify", "kannada", "katakana", "katakana-iroha", "khmer",
139    "landscape", "lao", "large", "larger", "left", "level", "lighter",
140    "line-through", "linear", "lines", "list-item", "listbox", "listitem",
141    "local", "logical", "loud", "lower", "lower-alpha", "lower-armenian",
142    "lower-greek", "lower-hexadecimal", "lower-latin", "lower-norwegian",
143    "lower-roman", "lowercase", "ltr", "malayalam", "match",
144    "media-controls-background", "media-current-time-display",
145    "media-fullscreen-button", "media-mute-button", "media-play-button",
146    "media-return-to-realtime-button", "media-rewind-button",
147    "media-seek-back-button", "media-seek-forward-button", "media-slider",
148    "media-sliderthumb", "media-time-remaining-display", "media-volume-slider",
149    "media-volume-slider-container", "media-volume-sliderthumb", "medium",
150    "menu", "menulist", "menulist-button", "menulist-text",
151    "menulist-textfield", "menutext", "message-box", "middle", "min-intrinsic",
152    "mix", "mongolian", "monospace", "move", "multiple", "myanmar", "n-resize",
153    "narrower", "navy", "ne-resize", "nesw-resize", "no-close-quote", "no-drop",
154    "no-open-quote", "no-repeat", "none", "normal", "not-allowed", "nowrap",
155    "ns-resize", "nw-resize", "nwse-resize", "oblique", "octal", "open-quote",
156    "optimizeLegibility", "optimizeSpeed", "oriya", "oromo", "outset",
157    "outside", "overlay", "overline", "padding", "padding-box", "painted",
158    "paused", "persian", "plus-darker", "plus-lighter", "pointer", "portrait",
159    "pre", "pre-line", "pre-wrap", "preserve-3d", "progress", "push-button",
160    "radio", "read-only", "read-write", "read-write-plaintext-only", "relative",
161    "repeat", "repeat-x", "repeat-y", "reset", "reverse", "rgb", "rgba",
162    "ridge", "right", "round", "row-resize", "rtl", "run-in", "running",
163    "s-resize", "sans-serif", "scroll", "scrollbar", "se-resize", "searchfield",
164    "searchfield-cancel-button", "searchfield-decoration",
165    "searchfield-results-button", "searchfield-results-decoration",
166    "semi-condensed", "semi-expanded", "separate", "serif", "show", "sidama",
167    "single", "skip-white-space", "slide", "slider-horizontal",
168    "slider-vertical", "sliderthumb-horizontal", "sliderthumb-vertical", "slow",
169    "small", "small-caps", "small-caption", "smaller", "solid", "somali",
170    "source-atop", "source-in", "source-out", "source-over", "space", "square",
171    "square-button", "start", "static", "status-bar", "stretch", "stroke",
172    "sub", "subpixel-antialiased", "super", "sw-resize", "table",
173    "table-caption", "table-cell", "table-column", "table-column-group",
174    "table-footer-group", "table-header-group", "table-row", "table-row-group",
175    "telugu", "text", "text-bottom", "text-top", "textarea", "textfield", "thai",
176    "thick", "thin", "threeddarkshadow", "threedface", "threedhighlight",
177    "threedlightshadow", "threedshadow", "tibetan", "tigre", "tigrinya-er",
178    "tigrinya-er-abegede", "tigrinya-et", "tigrinya-et-abegede", "to", "top",
179    "transparent", "ultra-condensed", "ultra-expanded", "underline", "up",
180    "upper-alpha", "upper-armenian", "upper-greek", "upper-hexadecimal",
181    "upper-latin", "upper-norwegian", "upper-roman", "uppercase", "urdu", "url",
182    "vertical", "vertical-text", "visible", "visibleFill", "visiblePainted",
183    "visibleStroke", "visual", "w-resize", "wait", "wave", "white", "wider",
184    "window", "windowframe", "windowtext", "x-large", "x-small", "xor",
185    "xx-large", "xx-small", "yellow"
186  ]);
187
188  function keySet(array) { var keys = {}; for (var i = 0; i < array.length; ++i) keys[array[i]] = true; return keys; }
189  function ret(style, tp) {type = tp; return style;}
190
191  function tokenBase(stream, state) {
192    var ch = stream.next();
193    if (ch == "@") {stream.eatWhile(/[\w\\\-]/); return ret("def", stream.current());}
194    else if (ch == "/" && stream.eat("*")) {
195      state.tokenize = tokenCComment;
196      return tokenCComment(stream, state);
197    }
198    else if (ch == "<" && stream.eat("!")) {
199      state.tokenize = tokenSGMLComment;
200      return tokenSGMLComment(stream, state);
201    }
202    else if (ch == "=") ret(null, "compare");
203    else if ((ch == "~" || ch == "|") && stream.eat("=")) return ret(null, "compare");
204    else if (ch == "\"" || ch == "'") {
205      state.tokenize = tokenString(ch);
206      return state.tokenize(stream, state);
207    }
208    else if (ch == "#") {
209      stream.eatWhile(/[\w\\\-]/);
210      return ret("atom", "hash");
211    }
212    else if (ch == "!") {
213      stream.match(/^\s*\w*/);
214      return ret("keyword", "important");
215    }
216    else if (/\d/.test(ch)) {
217      stream.eatWhile(/[\w.%]/);
218      return ret("number", "unit");
219    }
220    else if (ch === "-") {
221      if (/\d/.test(stream.peek())) {
222        stream.eatWhile(/[\w.%]/);
223        return ret("number", "unit");
224      } else if (stream.match(/^[^-]+-/)) {
225        return ret("meta", "meta");
226      }
227    }
228    else if (/[,+>*\/]/.test(ch)) {
229      return ret(null, "select-op");
230    }
231    else if (ch == "." && stream.match(/^-?[_a-z][_a-z0-9-]*/i)) {
232      return ret("qualifier", "qualifier");
233    }
234    else if (ch == ":") {
235      return ret("operator", ch);
236    }
237    else if (/[;{}\[\]\(\)]/.test(ch)) {
238      return ret(null, ch);
239    }
240    else if (ch == "u" && stream.match("rl(")) {
241      stream.backUp(1);
242      state.tokenize = tokenParenthesized;
243      return ret("property", "variable");
244    }
245    else {
246      stream.eatWhile(/[\w\\\-]/);
247      return ret("property", "variable");
248    }
249  }
250
251  function tokenCComment(stream, state) {
252    var maybeEnd = false, ch;
253    while ((ch = stream.next()) != null) {
254      if (maybeEnd && ch == "/") {
255        state.tokenize = tokenBase;
256        break;
257      }
258      maybeEnd = (ch == "*");
259    }
260    return ret("comment", "comment");
261  }
262
263  function tokenSGMLComment(stream, state) {
264    var dashes = 0, ch;
265    while ((ch = stream.next()) != null) {
266      if (dashes >= 2 && ch == ">") {
267        state.tokenize = tokenBase;
268        break;
269      }
270      dashes = (ch == "-") ? dashes + 1 : 0;
271    }
272    return ret("comment", "comment");
273  }
274
275  function tokenString(quote, nonInclusive) {
276    return function(stream, state) {
277      var escaped = false, ch;
278      while ((ch = stream.next()) != null) {
279        if (ch == quote && !escaped)
280          break;
281        escaped = !escaped && ch == "\\";
282      }
283      if (!escaped) {
284        if (nonInclusive) stream.backUp(1);
285        state.tokenize = tokenBase;
286      }
287      return ret("string", "string");
288    };
289  }
290
291  function tokenParenthesized(stream, state) {
292    stream.next(); // Must be '('
293    if (!stream.match(/\s*[\"\']/, false))
294      state.tokenize = tokenString(")", true);
295    else
296      state.tokenize = tokenBase;
297    return ret(null, "(");
298  }
299
300  return {
301    startState: function(base) {
302      return {tokenize: tokenBase,
303              baseIndent: base || 0,
304              stack: []};
305    },
306
307    token: function(stream, state) {
308
309      // Use these terms when applicable (see http://www.xanthir.com/blog/b4E50)
310      //
311      // rule** or **ruleset:
312      // A selector + braces combo, or an at-rule.
313      //
314      // declaration block:
315      // A sequence of declarations.
316      //
317      // declaration:
318      // A property + colon + value combo.
319      //
320      // property value:
321      // The entire value of a property.
322      //
323      // component value:
324      // A single piece of a property value. Like the 5px in
325      // text-shadow: 0 0 5px blue;. Can also refer to things that are
326      // multiple terms, like the 1-4 terms that make up the background-size
327      // portion of the background shorthand.
328      //
329      // term:
330      // The basic unit of author-facing CSS, like a single number (5),
331      // dimension (5px), string ("foo"), or function. Officially defined
332      //  by the CSS 2.1 grammar (look for the 'term' production)
333      //
334      //
335      // simple selector:
336      // A single atomic selector, like a type selector, an attr selector, a
337      // class selector, etc.
338      //
339      // compound selector:
340      // One or more simple selectors without a combinator. div.example is
341      // compound, div > .example is not.
342      //
343      // complex selector:
344      // One or more compound selectors chained with combinators.
345      //
346      // combinator:
347      // The parts of selectors that express relationships. There are four
348      // currently - the space (descendant combinator), the greater-than
349      // bracket (child combinator), the plus sign (next sibling combinator),
350      // and the tilda (following sibling combinator).
351      //
352      // sequence of selectors:
353      // One or more of the named type of selector chained with commas.
354
355      if (state.tokenize == tokenBase && stream.eatSpace()) return null;
356      var style = state.tokenize(stream, state);
357
358      // Changing style returned based on context
359      var context = state.stack[state.stack.length-1];
360      if (style == "property") {
361        if (context == "propertyValue"){
362          if (valueKeywords[stream.current()]) {
363            style = "string-2";
364          } else if (colorKeywords[stream.current()]) {
365            style = "keyword";
366          } else {
367            style = "variable-2";
368          }
369        } else if (context == "rule") {
370          if (!propertyKeywords[stream.current()]) {
371            style += " error";
372          }
373        } else if (!context || context == "@media{") {
374          style = "tag";
375        } else if (context == "@media") {
376          if (atMediaTypes[stream.current()]) {
377            style = "attribute"; // Known attribute
378          } else if (/^(only|not)$/i.test(stream.current())) {
379            style = "keyword";
380          } else if (stream.current().toLowerCase() == "and") {
381            style = "error"; // "and" is only allowed in @mediaType
382          } else if (atMediaFeatures[stream.current()]) {
383            style = "error"; // Known property, should be in @mediaType(
384          } else {
385            // Unknown, expecting keyword or attribute, assuming attribute
386            style = "attribute error";
387          }
388        } else if (context == "@mediaType") {
389          if (atMediaTypes[stream.current()]) {
390            style = "attribute";
391          } else if (stream.current().toLowerCase() == "and") {
392            style = "operator";
393          } else if (/^(only|not)$/i.test(stream.current())) {
394            style = "error"; // Only allowed in @media
395          } else if (atMediaFeatures[stream.current()]) {
396            style = "error"; // Known property, should be in parentheses
397          } else {
398            // Unknown attribute or property, but expecting property (preceded
399            // by "and"). Should be in parentheses
400            style = "error";
401          }
402        } else if (context == "@mediaType(") {
403          if (propertyKeywords[stream.current()]) {
404            // do nothing, remains "property"
405          } else if (atMediaTypes[stream.current()]) {
406            style = "error"; // Known property, should be in parentheses
407          } else if (stream.current().toLowerCase() == "and") {
408            style = "operator";
409          } else if (/^(only|not)$/i.test(stream.current())) {
410            style = "error"; // Only allowed in @media
411          } else {
412            style += " error";
413          }
414        } else {
415          style = "error";
416        }
417      } else if (style == "atom") {
418        if(!context || context == "@media{") {
419          style = "builtin";
420        } else if (context == "propertyValue") {
421          if (!/^#([0-9a-fA-f]{3}|[0-9a-fA-f]{6})$/.test(stream.current())) {
422            style += " error";
423          }
424        } else {
425          style = "error";
426        }
427      } else if (context == "@media" && type == "{") {
428        style = "error";
429      }
430
431      // Push/pop context stack
432      if (type == "{") {
433        if (context == "@media" || context == "@mediaType") {
434          state.stack.pop();
435          state.stack[state.stack.length-1] = "@media{";
436        }
437        else state.stack.push("rule");
438      }
439      else if (type == "}") {
440        state.stack.pop();
441        if (context == "propertyValue") state.stack.pop();
442      }
443      else if (type == "@media") state.stack.push("@media");
444      else if (context == "@media" && /\b(keyword|attribute)\b/.test(style))
445        state.stack.push("@mediaType");
446      else if (context == "@mediaType" && stream.current() == ",") state.stack.pop();
447      else if (context == "@mediaType" && type == "(") state.stack.push("@mediaType(");
448      else if (context == "@mediaType(" && type == ")") state.stack.pop();
449      else if (context == "rule" && type == ":") state.stack.push("propertyValue");
450      else if (context == "propertyValue" && type == ";") state.stack.pop();
451      return style;
452    },
453
454    indent: function(state, textAfter) {
455      var n = state.stack.length;
456      if (/^\}/.test(textAfter))
457        n -= state.stack[state.stack.length-1] == "propertyValue" ? 2 : 1;
458      return state.baseIndent + n * indentUnit;
459    },
460
461    electricChars: "}"
462  };
463});
464
465CodeMirror.defineMIME("text/css", "css");
466