scripts/CodeMirror/mode/stylus/stylus.js (view raw)
1// CodeMirror, copyright (c) by Marijn Haverbeke and others
2// Distributed under an MIT license: https://codemirror.net/LICENSE
3
4// Stylus mode created by Dmitry Kiselyov http://git.io/AaRB
5
6(function(mod) {
7 if (typeof exports == "object" && typeof module == "object") // CommonJS
8 mod(require("../../lib/codemirror"));
9 else if (typeof define == "function" && define.amd) // AMD
10 define(["../../lib/codemirror"], mod);
11 else // Plain browser env
12 mod(CodeMirror);
13})(function(CodeMirror) {
14 "use strict";
15
16 CodeMirror.defineMode("stylus", function(config) {
17 var indentUnit = config.indentUnit,
18 indentUnitString = '',
19 tagKeywords = keySet(tagKeywords_),
20 tagVariablesRegexp = /^(a|b|i|s|col|em)$/i,
21 propertyKeywords = keySet(propertyKeywords_),
22 nonStandardPropertyKeywords = keySet(nonStandardPropertyKeywords_),
23 valueKeywords = keySet(valueKeywords_),
24 colorKeywords = keySet(colorKeywords_),
25 documentTypes = keySet(documentTypes_),
26 documentTypesRegexp = wordRegexp(documentTypes_),
27 mediaFeatures = keySet(mediaFeatures_),
28 mediaTypes = keySet(mediaTypes_),
29 fontProperties = keySet(fontProperties_),
30 operatorsRegexp = /^\s*([.]{2,3}|&&|\|\||\*\*|[?!=:]?=|[-+*\/%<>]=?|\?:|\~)/,
31 wordOperatorKeywordsRegexp = wordRegexp(wordOperatorKeywords_),
32 blockKeywords = keySet(blockKeywords_),
33 vendorPrefixesRegexp = new RegExp(/^\-(moz|ms|o|webkit)-/i),
34 commonAtoms = keySet(commonAtoms_),
35 firstWordMatch = "",
36 states = {},
37 ch,
38 style,
39 type,
40 override;
41
42 while (indentUnitString.length < indentUnit) indentUnitString += ' ';
43
44 /**
45 * Tokenizers
46 */
47 function tokenBase(stream, state) {
48 firstWordMatch = stream.string.match(/(^[\w-]+\s*=\s*$)|(^\s*[\w-]+\s*=\s*[\w-])|(^\s*(\.|#|@|\$|\&|\[|\d|\+|::?|\{|\>|~|\/)?\s*[\w-]*([a-z0-9-]|\*|\/\*)(\(|,)?)/);
49 state.context.line.firstWord = firstWordMatch ? firstWordMatch[0].replace(/^\s*/, "") : "";
50 state.context.line.indent = stream.indentation();
51 ch = stream.peek();
52
53 // Line comment
54 if (stream.match("//")) {
55 stream.skipToEnd();
56 return ["comment", "comment"];
57 }
58 // Block comment
59 if (stream.match("/*")) {
60 state.tokenize = tokenCComment;
61 return tokenCComment(stream, state);
62 }
63 // String
64 if (ch == "\"" || ch == "'") {
65 stream.next();
66 state.tokenize = tokenString(ch);
67 return state.tokenize(stream, state);
68 }
69 // Def
70 if (ch == "@") {
71 stream.next();
72 stream.eatWhile(/[\w\\-]/);
73 return ["def", stream.current()];
74 }
75 // ID selector or Hex color
76 if (ch == "#") {
77 stream.next();
78 // Hex color
79 if (stream.match(/^[0-9a-f]{3}([0-9a-f]([0-9a-f]{2}){0,2})?\b(?!-)/i)) {
80 return ["atom", "atom"];
81 }
82 // ID selector
83 if (stream.match(/^[a-z][\w-]*/i)) {
84 return ["builtin", "hash"];
85 }
86 }
87 // Vendor prefixes
88 if (stream.match(vendorPrefixesRegexp)) {
89 return ["meta", "vendor-prefixes"];
90 }
91 // Numbers
92 if (stream.match(/^-?[0-9]?\.?[0-9]/)) {
93 stream.eatWhile(/[a-z%]/i);
94 return ["number", "unit"];
95 }
96 // !important|optional
97 if (ch == "!") {
98 stream.next();
99 return [stream.match(/^(important|optional)/i) ? "keyword": "operator", "important"];
100 }
101 // Class
102 if (ch == "." && stream.match(/^\.[a-z][\w-]*/i)) {
103 return ["qualifier", "qualifier"];
104 }
105 // url url-prefix domain regexp
106 if (stream.match(documentTypesRegexp)) {
107 if (stream.peek() == "(") state.tokenize = tokenParenthesized;
108 return ["property", "word"];
109 }
110 // Mixins / Functions
111 if (stream.match(/^[a-z][\w-]*\(/i)) {
112 stream.backUp(1);
113 return ["keyword", "mixin"];
114 }
115 // Block mixins
116 if (stream.match(/^(\+|-)[a-z][\w-]*\(/i)) {
117 stream.backUp(1);
118 return ["keyword", "block-mixin"];
119 }
120 // Parent Reference BEM naming
121 if (stream.string.match(/^\s*&/) && stream.match(/^[-_]+[a-z][\w-]*/)) {
122 return ["qualifier", "qualifier"];
123 }
124 // / Root Reference & Parent Reference
125 if (stream.match(/^(\/|&)(-|_|:|\.|#|[a-z])/)) {
126 stream.backUp(1);
127 return ["variable-3", "reference"];
128 }
129 if (stream.match(/^&{1}\s*$/)) {
130 return ["variable-3", "reference"];
131 }
132 // Word operator
133 if (stream.match(wordOperatorKeywordsRegexp)) {
134 return ["operator", "operator"];
135 }
136 // Word
137 if (stream.match(/^\$?[-_]*[a-z0-9]+[\w-]*/i)) {
138 // Variable
139 if (stream.match(/^(\.|\[)[\w-\'\"\]]+/i, false)) {
140 if (!wordIsTag(stream.current())) {
141 stream.match(/\./);
142 return ["variable-2", "variable-name"];
143 }
144 }
145 return ["variable-2", "word"];
146 }
147 // Operators
148 if (stream.match(operatorsRegexp)) {
149 return ["operator", stream.current()];
150 }
151 // Delimiters
152 if (/[:;,{}\[\]\(\)]/.test(ch)) {
153 stream.next();
154 return [null, ch];
155 }
156 // Non-detected items
157 stream.next();
158 return [null, null];
159 }
160
161 /**
162 * Token comment
163 */
164 function tokenCComment(stream, state) {
165 var maybeEnd = false, ch;
166 while ((ch = stream.next()) != null) {
167 if (maybeEnd && ch == "/") {
168 state.tokenize = null;
169 break;
170 }
171 maybeEnd = (ch == "*");
172 }
173 return ["comment", "comment"];
174 }
175
176 /**
177 * Token string
178 */
179 function tokenString(quote) {
180 return function(stream, state) {
181 var escaped = false, ch;
182 while ((ch = stream.next()) != null) {
183 if (ch == quote && !escaped) {
184 if (quote == ")") stream.backUp(1);
185 break;
186 }
187 escaped = !escaped && ch == "\\";
188 }
189 if (ch == quote || !escaped && quote != ")") state.tokenize = null;
190 return ["string", "string"];
191 };
192 }
193
194 /**
195 * Token parenthesized
196 */
197 function tokenParenthesized(stream, state) {
198 stream.next(); // Must be "("
199 if (!stream.match(/\s*[\"\')]/, false))
200 state.tokenize = tokenString(")");
201 else
202 state.tokenize = null;
203 return [null, "("];
204 }
205
206 /**
207 * Context management
208 */
209 function Context(type, indent, prev, line) {
210 this.type = type;
211 this.indent = indent;
212 this.prev = prev;
213 this.line = line || {firstWord: "", indent: 0};
214 }
215
216 function pushContext(state, stream, type, indent) {
217 indent = indent >= 0 ? indent : indentUnit;
218 state.context = new Context(type, stream.indentation() + indent, state.context);
219 return type;
220 }
221
222 function popContext(state, currentIndent) {
223 var contextIndent = state.context.indent - indentUnit;
224 currentIndent = currentIndent || false;
225 state.context = state.context.prev;
226 if (currentIndent) state.context.indent = contextIndent;
227 return state.context.type;
228 }
229
230 function pass(type, stream, state) {
231 return states[state.context.type](type, stream, state);
232 }
233
234 function popAndPass(type, stream, state, n) {
235 for (var i = n || 1; i > 0; i--)
236 state.context = state.context.prev;
237 return pass(type, stream, state);
238 }
239
240
241 /**
242 * Parser
243 */
244 function wordIsTag(word) {
245 return word.toLowerCase() in tagKeywords;
246 }
247
248 function wordIsProperty(word) {
249 word = word.toLowerCase();
250 return word in propertyKeywords || word in fontProperties;
251 }
252
253 function wordIsBlock(word) {
254 return word.toLowerCase() in blockKeywords;
255 }
256
257 function wordIsVendorPrefix(word) {
258 return word.toLowerCase().match(vendorPrefixesRegexp);
259 }
260
261 function wordAsValue(word) {
262 var wordLC = word.toLowerCase();
263 var override = "variable-2";
264 if (wordIsTag(word)) override = "tag";
265 else if (wordIsBlock(word)) override = "block-keyword";
266 else if (wordIsProperty(word)) override = "property";
267 else if (wordLC in valueKeywords || wordLC in commonAtoms) override = "atom";
268 else if (wordLC == "return" || wordLC in colorKeywords) override = "keyword";
269
270 // Font family
271 else if (word.match(/^[A-Z]/)) override = "string";
272 return override;
273 }
274
275 function typeIsBlock(type, stream) {
276 return ((endOfLine(stream) && (type == "{" || type == "]" || type == "hash" || type == "qualifier")) || type == "block-mixin");
277 }
278
279 function typeIsInterpolation(type, stream) {
280 return type == "{" && stream.match(/^\s*\$?[\w-]+/i, false);
281 }
282
283 function typeIsPseudo(type, stream) {
284 return type == ":" && stream.match(/^[a-z-]+/, false);
285 }
286
287 function startOfLine(stream) {
288 return stream.sol() || stream.string.match(new RegExp("^\\s*" + escapeRegExp(stream.current())));
289 }
290
291 function endOfLine(stream) {
292 return stream.eol() || stream.match(/^\s*$/, false);
293 }
294
295 function firstWordOfLine(line) {
296 var re = /^\s*[-_]*[a-z0-9]+[\w-]*/i;
297 var result = typeof line == "string" ? line.match(re) : line.string.match(re);
298 return result ? result[0].replace(/^\s*/, "") : "";
299 }
300
301
302 /**
303 * Block
304 */
305 states.block = function(type, stream, state) {
306 if ((type == "comment" && startOfLine(stream)) ||
307 (type == "," && endOfLine(stream)) ||
308 type == "mixin") {
309 return pushContext(state, stream, "block", 0);
310 }
311 if (typeIsInterpolation(type, stream)) {
312 return pushContext(state, stream, "interpolation");
313 }
314 if (endOfLine(stream) && type == "]") {
315 if (!/^\s*(\.|#|:|\[|\*|&)/.test(stream.string) && !wordIsTag(firstWordOfLine(stream))) {
316 return pushContext(state, stream, "block", 0);
317 }
318 }
319 if (typeIsBlock(type, stream)) {
320 return pushContext(state, stream, "block");
321 }
322 if (type == "}" && endOfLine(stream)) {
323 return pushContext(state, stream, "block", 0);
324 }
325 if (type == "variable-name") {
326 if (stream.string.match(/^\s?\$[\w-\.\[\]\'\"]+$/) || wordIsBlock(firstWordOfLine(stream))) {
327 return pushContext(state, stream, "variableName");
328 }
329 else {
330 return pushContext(state, stream, "variableName", 0);
331 }
332 }
333 if (type == "=") {
334 if (!endOfLine(stream) && !wordIsBlock(firstWordOfLine(stream))) {
335 return pushContext(state, stream, "block", 0);
336 }
337 return pushContext(state, stream, "block");
338 }
339 if (type == "*") {
340 if (endOfLine(stream) || stream.match(/\s*(,|\.|#|\[|:|{)/,false)) {
341 override = "tag";
342 return pushContext(state, stream, "block");
343 }
344 }
345 if (typeIsPseudo(type, stream)) {
346 return pushContext(state, stream, "pseudo");
347 }
348 if (/@(font-face|media|supports|(-moz-)?document)/.test(type)) {
349 return pushContext(state, stream, endOfLine(stream) ? "block" : "atBlock");
350 }
351 if (/@(-(moz|ms|o|webkit)-)?keyframes$/.test(type)) {
352 return pushContext(state, stream, "keyframes");
353 }
354 if (/@extends?/.test(type)) {
355 return pushContext(state, stream, "extend", 0);
356 }
357 if (type && type.charAt(0) == "@") {
358
359 // Property Lookup
360 if (stream.indentation() > 0 && wordIsProperty(stream.current().slice(1))) {
361 override = "variable-2";
362 return "block";
363 }
364 if (/(@import|@require|@charset)/.test(type)) {
365 return pushContext(state, stream, "block", 0);
366 }
367 return pushContext(state, stream, "block");
368 }
369 if (type == "reference" && endOfLine(stream)) {
370 return pushContext(state, stream, "block");
371 }
372 if (type == "(") {
373 return pushContext(state, stream, "parens");
374 }
375
376 if (type == "vendor-prefixes") {
377 return pushContext(state, stream, "vendorPrefixes");
378 }
379 if (type == "word") {
380 var word = stream.current();
381 override = wordAsValue(word);
382
383 if (override == "property") {
384 if (startOfLine(stream)) {
385 return pushContext(state, stream, "block", 0);
386 } else {
387 override = "atom";
388 return "block";
389 }
390 }
391
392 if (override == "tag") {
393
394 // tag is a css value
395 if (/embed|menu|pre|progress|sub|table/.test(word)) {
396 if (wordIsProperty(firstWordOfLine(stream))) {
397 override = "atom";
398 return "block";
399 }
400 }
401
402 // tag is an attribute
403 if (stream.string.match(new RegExp("\\[\\s*" + word + "|" + word +"\\s*\\]"))) {
404 override = "atom";
405 return "block";
406 }
407
408 // tag is a variable
409 if (tagVariablesRegexp.test(word)) {
410 if ((startOfLine(stream) && stream.string.match(/=/)) ||
411 (!startOfLine(stream) &&
412 !stream.string.match(/^(\s*\.|#|\&|\[|\/|>|\*)/) &&
413 !wordIsTag(firstWordOfLine(stream)))) {
414 override = "variable-2";
415 if (wordIsBlock(firstWordOfLine(stream))) return "block";
416 return pushContext(state, stream, "block", 0);
417 }
418 }
419
420 if (endOfLine(stream)) return pushContext(state, stream, "block");
421 }
422 if (override == "block-keyword") {
423 override = "keyword";
424
425 // Postfix conditionals
426 if (stream.current(/(if|unless)/) && !startOfLine(stream)) {
427 return "block";
428 }
429 return pushContext(state, stream, "block");
430 }
431 if (word == "return") return pushContext(state, stream, "block", 0);
432
433 // Placeholder selector
434 if (override == "variable-2" && stream.string.match(/^\s?\$[\w-\.\[\]\'\"]+$/)) {
435 return pushContext(state, stream, "block");
436 }
437 }
438 return state.context.type;
439 };
440
441
442 /**
443 * Parens
444 */
445 states.parens = function(type, stream, state) {
446 if (type == "(") return pushContext(state, stream, "parens");
447 if (type == ")") {
448 if (state.context.prev.type == "parens") {
449 return popContext(state);
450 }
451 if ((stream.string.match(/^[a-z][\w-]*\(/i) && endOfLine(stream)) ||
452 wordIsBlock(firstWordOfLine(stream)) ||
453 /(\.|#|:|\[|\*|&|>|~|\+|\/)/.test(firstWordOfLine(stream)) ||
454 (!stream.string.match(/^-?[a-z][\w-\.\[\]\'\"]*\s*=/) &&
455 wordIsTag(firstWordOfLine(stream)))) {
456 return pushContext(state, stream, "block");
457 }
458 if (stream.string.match(/^[\$-]?[a-z][\w-\.\[\]\'\"]*\s*=/) ||
459 stream.string.match(/^\s*(\(|\)|[0-9])/) ||
460 stream.string.match(/^\s+[a-z][\w-]*\(/i) ||
461 stream.string.match(/^\s+[\$-]?[a-z]/i)) {
462 return pushContext(state, stream, "block", 0);
463 }
464 if (endOfLine(stream)) return pushContext(state, stream, "block");
465 else return pushContext(state, stream, "block", 0);
466 }
467 if (type && type.charAt(0) == "@" && wordIsProperty(stream.current().slice(1))) {
468 override = "variable-2";
469 }
470 if (type == "word") {
471 var word = stream.current();
472 override = wordAsValue(word);
473 if (override == "tag" && tagVariablesRegexp.test(word)) {
474 override = "variable-2";
475 }
476 if (override == "property" || word == "to") override = "atom";
477 }
478 if (type == "variable-name") {
479 return pushContext(state, stream, "variableName");
480 }
481 if (typeIsPseudo(type, stream)) {
482 return pushContext(state, stream, "pseudo");
483 }
484 return state.context.type;
485 };
486
487
488 /**
489 * Vendor prefixes
490 */
491 states.vendorPrefixes = function(type, stream, state) {
492 if (type == "word") {
493 override = "property";
494 return pushContext(state, stream, "block", 0);
495 }
496 return popContext(state);
497 };
498
499
500 /**
501 * Pseudo
502 */
503 states.pseudo = function(type, stream, state) {
504 if (!wordIsProperty(firstWordOfLine(stream.string))) {
505 stream.match(/^[a-z-]+/);
506 override = "variable-3";
507 if (endOfLine(stream)) return pushContext(state, stream, "block");
508 return popContext(state);
509 }
510 return popAndPass(type, stream, state);
511 };
512
513
514 /**
515 * atBlock
516 */
517 states.atBlock = function(type, stream, state) {
518 if (type == "(") return pushContext(state, stream, "atBlock_parens");
519 if (typeIsBlock(type, stream)) {
520 return pushContext(state, stream, "block");
521 }
522 if (typeIsInterpolation(type, stream)) {
523 return pushContext(state, stream, "interpolation");
524 }
525 if (type == "word") {
526 var word = stream.current().toLowerCase();
527 if (/^(only|not|and|or)$/.test(word))
528 override = "keyword";
529 else if (documentTypes.hasOwnProperty(word))
530 override = "tag";
531 else if (mediaTypes.hasOwnProperty(word))
532 override = "attribute";
533 else if (mediaFeatures.hasOwnProperty(word))
534 override = "property";
535 else if (nonStandardPropertyKeywords.hasOwnProperty(word))
536 override = "string-2";
537 else override = wordAsValue(stream.current());
538 if (override == "tag" && endOfLine(stream)) {
539 return pushContext(state, stream, "block");
540 }
541 }
542 if (type == "operator" && /^(not|and|or)$/.test(stream.current())) {
543 override = "keyword";
544 }
545 return state.context.type;
546 };
547
548 states.atBlock_parens = function(type, stream, state) {
549 if (type == "{" || type == "}") return state.context.type;
550 if (type == ")") {
551 if (endOfLine(stream)) return pushContext(state, stream, "block");
552 else return pushContext(state, stream, "atBlock");
553 }
554 if (type == "word") {
555 var word = stream.current().toLowerCase();
556 override = wordAsValue(word);
557 if (/^(max|min)/.test(word)) override = "property";
558 if (override == "tag") {
559 tagVariablesRegexp.test(word) ? override = "variable-2" : override = "atom";
560 }
561 return state.context.type;
562 }
563 return states.atBlock(type, stream, state);
564 };
565
566
567 /**
568 * Keyframes
569 */
570 states.keyframes = function(type, stream, state) {
571 if (stream.indentation() == "0" && ((type == "}" && startOfLine(stream)) || type == "]" || type == "hash"
572 || type == "qualifier" || wordIsTag(stream.current()))) {
573 return popAndPass(type, stream, state);
574 }
575 if (type == "{") return pushContext(state, stream, "keyframes");
576 if (type == "}") {
577 if (startOfLine(stream)) return popContext(state, true);
578 else return pushContext(state, stream, "keyframes");
579 }
580 if (type == "unit" && /^[0-9]+\%$/.test(stream.current())) {
581 return pushContext(state, stream, "keyframes");
582 }
583 if (type == "word") {
584 override = wordAsValue(stream.current());
585 if (override == "block-keyword") {
586 override = "keyword";
587 return pushContext(state, stream, "keyframes");
588 }
589 }
590 if (/@(font-face|media|supports|(-moz-)?document)/.test(type)) {
591 return pushContext(state, stream, endOfLine(stream) ? "block" : "atBlock");
592 }
593 if (type == "mixin") {
594 return pushContext(state, stream, "block", 0);
595 }
596 return state.context.type;
597 };
598
599
600 /**
601 * Interpolation
602 */
603 states.interpolation = function(type, stream, state) {
604 if (type == "{") popContext(state) && pushContext(state, stream, "block");
605 if (type == "}") {
606 if (stream.string.match(/^\s*(\.|#|:|\[|\*|&|>|~|\+|\/)/i) ||
607 (stream.string.match(/^\s*[a-z]/i) && wordIsTag(firstWordOfLine(stream)))) {
608 return pushContext(state, stream, "block");
609 }
610 if (!stream.string.match(/^(\{|\s*\&)/) ||
611 stream.match(/\s*[\w-]/,false)) {
612 return pushContext(state, stream, "block", 0);
613 }
614 return pushContext(state, stream, "block");
615 }
616 if (type == "variable-name") {
617 return pushContext(state, stream, "variableName", 0);
618 }
619 if (type == "word") {
620 override = wordAsValue(stream.current());
621 if (override == "tag") override = "atom";
622 }
623 return state.context.type;
624 };
625
626
627 /**
628 * Extend/s
629 */
630 states.extend = function(type, stream, state) {
631 if (type == "[" || type == "=") return "extend";
632 if (type == "]") return popContext(state);
633 if (type == "word") {
634 override = wordAsValue(stream.current());
635 return "extend";
636 }
637 return popContext(state);
638 };
639
640
641 /**
642 * Variable name
643 */
644 states.variableName = function(type, stream, state) {
645 if (type == "string" || type == "[" || type == "]" || stream.current().match(/^(\.|\$)/)) {
646 if (stream.current().match(/^\.[\w-]+/i)) override = "variable-2";
647 return "variableName";
648 }
649 return popAndPass(type, stream, state);
650 };
651
652
653 return {
654 startState: function(base) {
655 return {
656 tokenize: null,
657 state: "block",
658 context: new Context("block", base || 0, null)
659 };
660 },
661 token: function(stream, state) {
662 if (!state.tokenize && stream.eatSpace()) return null;
663 style = (state.tokenize || tokenBase)(stream, state);
664 if (style && typeof style == "object") {
665 type = style[1];
666 style = style[0];
667 }
668 override = style;
669 state.state = states[state.state](type, stream, state);
670 return override;
671 },
672 indent: function(state, textAfter, line) {
673
674 var cx = state.context,
675 ch = textAfter && textAfter.charAt(0),
676 indent = cx.indent,
677 lineFirstWord = firstWordOfLine(textAfter),
678 lineIndent = line.match(/^\s*/)[0].replace(/\t/g, indentUnitString).length,
679 prevLineFirstWord = state.context.prev ? state.context.prev.line.firstWord : "",
680 prevLineIndent = state.context.prev ? state.context.prev.line.indent : lineIndent;
681
682 if (cx.prev &&
683 (ch == "}" && (cx.type == "block" || cx.type == "atBlock" || cx.type == "keyframes") ||
684 ch == ")" && (cx.type == "parens" || cx.type == "atBlock_parens") ||
685 ch == "{" && (cx.type == "at"))) {
686 indent = cx.indent - indentUnit;
687 } else if (!(/(\})/.test(ch))) {
688 if (/@|\$|\d/.test(ch) ||
689 /^\{/.test(textAfter) ||
690/^\s*\/(\/|\*)/.test(textAfter) ||
691 /^\s*\/\*/.test(prevLineFirstWord) ||
692 /^\s*[\w-\.\[\]\'\"]+\s*(\?|:|\+)?=/i.test(textAfter) ||
693/^(\+|-)?[a-z][\w-]*\(/i.test(textAfter) ||
694/^return/.test(textAfter) ||
695 wordIsBlock(lineFirstWord)) {
696 indent = lineIndent;
697 } else if (/(\.|#|:|\[|\*|&|>|~|\+|\/)/.test(ch) || wordIsTag(lineFirstWord)) {
698 if (/\,\s*$/.test(prevLineFirstWord)) {
699 indent = prevLineIndent;
700 } else if (/^\s+/.test(line) && (/(\.|#|:|\[|\*|&|>|~|\+|\/)/.test(prevLineFirstWord) || wordIsTag(prevLineFirstWord))) {
701 indent = lineIndent <= prevLineIndent ? prevLineIndent : prevLineIndent + indentUnit;
702 } else {
703 indent = lineIndent;
704 }
705 } else if (!/,\s*$/.test(line) && (wordIsVendorPrefix(lineFirstWord) || wordIsProperty(lineFirstWord))) {
706 if (wordIsBlock(prevLineFirstWord)) {
707 indent = lineIndent <= prevLineIndent ? prevLineIndent : prevLineIndent + indentUnit;
708 } else if (/^\{/.test(prevLineFirstWord)) {
709 indent = lineIndent <= prevLineIndent ? lineIndent : prevLineIndent + indentUnit;
710 } else if (wordIsVendorPrefix(prevLineFirstWord) || wordIsProperty(prevLineFirstWord)) {
711 indent = lineIndent >= prevLineIndent ? prevLineIndent : lineIndent;
712 } else if (/^(\.|#|:|\[|\*|&|@|\+|\-|>|~|\/)/.test(prevLineFirstWord) ||
713 /=\s*$/.test(prevLineFirstWord) ||
714 wordIsTag(prevLineFirstWord) ||
715 /^\$[\w-\.\[\]\'\"]/.test(prevLineFirstWord)) {
716 indent = prevLineIndent + indentUnit;
717 } else {
718 indent = lineIndent;
719 }
720 }
721 }
722 return indent;
723 },
724 electricChars: "}",
725 lineComment: "//",
726 fold: "indent"
727 };
728 });
729
730 // developer.mozilla.org/en-US/docs/Web/HTML/Element
731 var tagKeywords_ = ["a","abbr","address","area","article","aside","audio", "b", "base","bdi", "bdo","bgsound","blockquote","body","br","button","canvas","caption","cite", "code","col","colgroup","data","datalist","dd","del","details","dfn","div", "dl","dt","em","embed","fieldset","figcaption","figure","footer","form","h1", "h2","h3","h4","h5","h6","head","header","hgroup","hr","html","i","iframe", "img","input","ins","kbd","keygen","label","legend","li","link","main","map", "mark","marquee","menu","menuitem","meta","meter","nav","nobr","noframes", "noscript","object","ol","optgroup","option","output","p","param","pre", "progress","q","rp","rt","ruby","s","samp","script","section","select", "small","source","span","strong","style","sub","summary","sup","table","tbody","td","textarea","tfoot","th","thead","time","tr","track", "u","ul","var","video"];
732
733 // github.com/codemirror/CodeMirror/blob/master/mode/css/css.js
734 var documentTypes_ = ["domain", "regexp", "url", "url-prefix"];
735 var mediaTypes_ = ["all","aural","braille","handheld","print","projection","screen","tty","tv","embossed"];
736 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"];
737 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","will-change","word-break","word-spacing","word-wrap","z-index","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","font-smoothing","osx-font-smoothing"];
738 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"];
739 var fontProperties_ = ["font-family","src","unicode-range","font-variant","font-feature-settings","font-stretch","font-weight","font-style"];
740 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"];
741 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","contents","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","scroll-position","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","bicubic","optimizespeed","grayscale","row","row-reverse","wrap","wrap-reverse","column-reverse","flex-start","flex-end","space-between","space-around", "unset"];
742
743 var wordOperatorKeywords_ = ["in","and","or","not","is not","is a","is","isnt","defined","if unless"],
744 blockKeywords_ = ["for","if","else","unless", "from", "to"],
745 commonAtoms_ = ["null","true","false","href","title","type","not-allowed","readonly","disabled"],
746 commonDef_ = ["@font-face", "@keyframes", "@media", "@viewport", "@page", "@host", "@supports", "@block", "@css"];
747
748 var hintWords = tagKeywords_.concat(documentTypes_,mediaTypes_,mediaFeatures_,
749 propertyKeywords_,nonStandardPropertyKeywords_,
750 colorKeywords_,valueKeywords_,fontProperties_,
751 wordOperatorKeywords_,blockKeywords_,
752 commonAtoms_,commonDef_);
753
754 function wordRegexp(words) {
755 words = words.sort(function(a,b){return b > a;});
756 return new RegExp("^((" + words.join(")|(") + "))\\b");
757 }
758
759 function keySet(array) {
760 var keys = {};
761 for (var i = 0; i < array.length; ++i) keys[array[i]] = true;
762 return keys;
763 }
764
765 function escapeRegExp(text) {
766 return text.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
767 }
768
769 CodeMirror.registerHelper("hintWords", "stylus", hintWords);
770 CodeMirror.defineMIME("text/x-styl", "stylus");
771});