forked from emacs-mirror/emacs
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathcss-mode.el
1908 lines (1771 loc) · 71.9 KB
/
css-mode.el
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
;;; css-mode.el --- Major mode to edit CSS files -*- lexical-binding: t -*-
;; Copyright (C) 2006-2020 Free Software Foundation, Inc.
;; Author: Stefan Monnier <[email protected]>
;; Maintainer: Simen Heggestøyl <[email protected]>
;; Keywords: hypermedia
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Yet another CSS mode.
;;; Todo:
;; - filling code with auto-fill-mode
;; - fix font-lock errors with multi-line selectors
;;; Code:
(require 'cl-lib)
(require 'color)
(require 'eww)
(require 'imenu)
(require 'seq)
(require 'sgml-mode)
(require 'smie)
(require 'thingatpt)
(eval-when-compile (require 'subr-x))
(defgroup css nil
"Cascading Style Sheets (CSS) editing mode."
:group 'languages)
(defconst css-pseudo-class-ids
'("active" "checked" "default" "disabled" "empty" "enabled" "first"
"first-child" "first-of-type" "focus" "focus-within" "hover"
"in-range" "indeterminate" "invalid" "lang" "last-child"
"last-of-type" "left" "link" "not" "nth-child" "nth-last-child"
"nth-last-of-type" "nth-of-type" "only-child" "only-of-type"
"optional" "out-of-range" "read-only" "read-write" "required"
"right" "root" "scope" "target" "valid" "visited")
"Identifiers for pseudo-classes.")
(defconst css-pseudo-element-ids
'("after" "before" "first-letter" "first-line")
"Identifiers for pseudo-elements.")
(defconst css-at-ids
'("charset" "font-face" "import" "keyframes" "media" "namespace"
"page" "supports")
"Identifiers that appear in the form @foo.")
(defconst scss-at-ids
'("at-root" "content" "debug" "each" "else" "else if" "error" "extend"
"for" "function" "if" "import" "include" "mixin" "return" "warn"
"while")
"Additional identifiers that appear in the form @foo in SCSS.")
(defvar css--at-ids css-at-ids
"List of at-rules for the current mode.")
(make-variable-buffer-local 'css--at-ids)
(defconst css-bang-ids
'("important")
"Identifiers that appear in the form !foo.")
(defconst scss-bang-ids
'("default" "global" "optional")
"Additional identifiers that appear in the form !foo in SCSS.")
(defvar css--bang-ids css-bang-ids
"List of bang-rules for the current mode.")
(make-variable-buffer-local 'css--bang-ids)
(defconst css-descriptor-ids
'("ascent" "baseline" "bbox" "cap-height" "centerline" "definition-src"
"descent" "font-family" "font-size" "font-stretch" "font-style"
"font-variant" "font-weight" "mathline" "panose-1" "slope" "src" "stemh"
"stemv" "topline" "unicode-range" "units-per-em" "widths" "x-height")
"Identifiers for font descriptors.")
(defconst css-media-ids
'("all" "aural" "bitmap" "continuous" "grid" "paged" "static" "tactile"
"visual")
"Identifiers for types of media.")
(defconst css-property-alist
;; CSS 2.1 properties (http://www.w3.org/TR/CSS21/propidx.html).
;;
;; Properties duplicated by any of the CSS3 modules below have been
;; removed.
'(("azimuth" angle "left-side" "far-left" "left" "center-left"
"center" "center-right" "right" "far-right" "right-side" "behind"
"leftwards" "rightwards")
("border-collapse" "collapse" "separate")
("border-spacing" length)
("bottom" length percentage "auto")
("caption-side" "top" "bottom")
("clear" "none" "left" "right" "both")
("content" "normal" "none" string uri counter "attr()"
"open-quote" "close-quote" "no-open-quote" "no-close-quote")
("counter-increment" identifier integer "none")
("counter-reset" identifier integer "none")
("cue" cue-before cue-after)
("cue-after" uri "none")
("cue-before" uri "none")
("direction" "ltr" "rtl")
("display" "inline" "block" "list-item" "inline-block" "table"
"inline-table" "table-row-group" "table-header-group"
"table-footer-group" "table-row" "table-column-group"
"table-column" "table-cell" "table-caption" "none"
;; CSS Flexible Box Layout Module Level 1
;; (https://www.w3.org/TR/css3-flexbox/#valdef-display-flex)
"flex" "inline-flex"
;; CSS Grid Layout Module Level 1
;; (https://www.w3.org/TR/css-grid-1/#grid-containers)
"grid" "inline-grid" "subgrid")
("elevation" angle "below" "level" "above" "higher" "lower")
("empty-cells" "show" "hide")
("float" "left" "right" "none")
("height" length percentage "auto")
("left" length percentage "auto")
("line-height" "normal" number length percentage)
("list-style" list-style-type list-style-position
list-style-image)
("list-style-image" uri "none")
("list-style-position" "inside" "outside")
("list-style-type" "disc" "circle" "square" "decimal"
"decimal-leading-zero" "lower-roman" "upper-roman" "lower-greek"
"lower-latin" "upper-latin" "armenian" "georgian" "lower-alpha"
"upper-alpha" "none")
("margin" margin-width)
("margin-bottom" margin-width)
("margin-left" margin-width)
("margin-right" margin-width)
("margin-top" margin-width)
("max-height" length percentage "none")
("max-width" length percentage "none")
("min-height" length percentage)
("min-width" length percentage)
("padding" padding-width)
("padding-bottom" padding-width)
("padding-left" padding-width)
("padding-right" padding-width)
("padding-top" padding-width)
("page-break-after" "auto" "always" "avoid" "left" "right")
("page-break-before" "auto" "always" "avoid" "left" "right")
("page-break-inside" "avoid" "auto")
("pause" time percentage)
("pause-after" time percentage)
("pause-before" time percentage)
("pitch" frequency "x-low" "low" "medium" "high" "x-high")
("pitch-range" number)
("play-during" uri "mix" "repeat" "auto" "none")
("position" "static" "relative" "absolute" "fixed")
("quotes" string "none")
("richness" number)
("right" length percentage "auto")
("speak" "normal" "none" "spell-out")
("speak-header" "once" "always")
("speak-numeral" "digits" "continuous")
("speak-punctuation" "code" "none")
("speech-rate" number "x-slow" "slow" "medium" "fast" "x-fast"
"faster" "slower")
("stress" number)
("table-layout" "auto" "fixed")
("top" length percentage "auto")
("unicode-bidi" "normal" "embed" "bidi-override")
("vertical-align" "baseline" "sub" "super" "top" "text-top"
"middle" "bottom" "text-bottom" percentage length)
("visibility" "visible" "hidden" "collapse")
("voice-family" specific-voice generic-voice specific-voice
generic-voice)
("volume" number percentage "silent" "x-soft" "soft" "medium"
"loud" "x-loud")
("width" length percentage "auto")
("z-index" "auto" integer)
;; CSS Animations
;; (http://www.w3.org/TR/css3-animations/#property-index)
("animation" single-animation-name time single-timing-function
single-animation-iteration-count single-animation-direction
single-animation-fill-mode single-animation-play-state)
("animation-delay" time)
("animation-direction" single-animation-direction)
("animation-duration" time)
("animation-fill-mode" single-animation-fill-mode)
("animation-iteration-count" single-animation-iteration-count)
("animation-name" single-animation-name)
("animation-play-state" single-animation-play-state)
("animation-timing-function" single-timing-function)
;; CSS Backgrounds and Borders Module Level 3
;; (http://www.w3.org/TR/css3-background/#property-index)
("background" bg-layer final-bg-layer)
("background-attachment" attachment)
("background-clip" box)
("background-color" color)
("background-image" bg-image)
("background-origin" box)
("background-position" position)
("background-repeat" repeat-style)
("background-size" bg-size)
("border" line-width line-style color)
("border-bottom" line-width line-style color)
("border-bottom-color" color)
("border-bottom-left-radius" length percentage)
("border-bottom-right-radius" length percentage)
("border-bottom-style" line-style)
("border-bottom-width" line-width)
("border-color" color)
("border-image" border-image-source border-image-slice
border-image-width border-image-outset border-image-repeat)
("border-image-outset" length number)
("border-image-repeat" "stretch" "repeat" "round" "space")
("border-image-slice" number percentage "fill")
("border-image-source" "none" image)
("border-image-width" length percentage number "auto")
("border-left" line-width line-style color)
("border-left-color" color)
("border-left-style" line-style)
("border-left-width" line-width)
("border-radius" length percentage)
("border-right" line-width line-style color)
("border-right-color" color)
("border-right-style" line-style)
("border-right-width" line-width)
("border-style" line-style)
("border-top" line-width line-style color)
("border-top-color" color)
("border-top-left-radius" length percentage)
("border-top-right-radius" length percentage)
("border-top-style" line-style)
("border-top-width" line-width)
("border-width" line-width)
("box-shadow" "none" shadow)
;; CSS Basic User Interface Module Level 3 (CSS3 UI)
;; (http://www.w3.org/TR/css3-ui/#property-index)
("box-sizing" "content-box" "border-box")
("caret-color" "auto" color)
("cursor" uri x y "auto" "default" "none" "context-menu" "help"
"pointer" "progress" "wait" "cell" "crosshair" "text"
"vertical-text" "alias" "copy" "move" "no-drop" "not-allowed"
"grab" "grabbing" "e-resize" "n-resize" "ne-resize" "nw-resize"
"s-resize" "se-resize" "sw-resize" "w-resize" "ew-resize"
"ns-resize" "nesw-resize" "nwse-resize" "col-resize" "row-resize"
"all-scroll" "zoom-in" "zoom-out")
("nav-down" "auto" id "current" "root" target-name)
("nav-left" "auto" id "current" "root" target-name)
("nav-right" "auto" id "current" "root" target-name)
("nav-up" "auto" id "current" "root" target-name)
("outline" outline-color outline-style outline-width)
("outline-color" color "invert")
("outline-offset" length)
("outline-style" "auto" border-style)
("outline-width" border-width)
("resize" "none" "both" "horizontal" "vertical")
("text-overflow" "clip" "ellipsis" string)
;; CSS Color Module Level 3
;; (http://www.w3.org/TR/css3-color/#property)
("color" color)
("opacity" alphavalue)
;; CSS Grid Layout Module Level 1
;; (https://www.w3.org/TR/css-grid-1/#property-index)
("grid" grid-template grid-template-rows "auto-flow" "dense"
grid-auto-columns grid-auto-rows grid-template-columns)
("grid-area" grid-line)
("grid-auto-columns" track-size)
("grid-auto-flow" "row" "column" "dense")
("grid-auto-rows" track-size)
("grid-column" grid-line)
("grid-column-end" grid-line)
("grid-column-gap" length-percentage)
("grid-column-start" grid-line)
("grid-gap" grid-row-gap grid-column-gap)
("grid-row" grid-line)
("grid-row-end" grid-line)
("grid-row-gap" length-percentage)
("grid-row-start" grid-line)
("grid-template" "none" grid-template-rows grid-template-columns
line-names string track-size line-names explicit-track-list)
("grid-template-areas" "none" string)
("grid-template-columns" "none" track-list auto-track-list)
("grid-template-rows" "none" track-list auto-track-list)
;; CSS Flexible Box Layout Module Level 1
;; (http://www.w3.org/TR/css-flexbox-1/#property-index)
("align-content" "flex-start" "flex-end" "center" "space-between"
"space-around" "stretch")
("align-items" "flex-start" "flex-end" "center" "baseline"
"stretch")
("align-self" "auto" "flex-start" "flex-end" "center" "baseline"
"stretch")
("flex" "none" flex-grow flex-shrink flex-basis)
("flex-basis" "auto" "content" width)
("flex-direction" "row" "row-reverse" "column" "column-reverse")
("flex-flow" flex-direction flex-wrap)
("flex-grow" number)
("flex-shrink" number)
("flex-wrap" "nowrap" "wrap" "wrap-reverse")
("justify-content" "flex-start" "flex-end" "center"
"space-between" "space-around")
("order" integer)
;; CSS Fonts Module Level 3
;; (http://www.w3.org/TR/css3-fonts/#property-index)
("font" font-style font-variant-css21 font-weight font-stretch
font-size line-height font-family "caption" "icon" "menu"
"message-box" "small-caption" "status-bar")
("font-family" family-name generic-family)
("font-feature-settings" "normal" feature-tag-value)
("font-kerning" "auto" "normal" "none")
("font-language-override" "normal" string)
("font-size" absolute-size relative-size length percentage)
("font-size-adjust" "none" number)
("font-stretch" "normal" "ultra-condensed" "extra-condensed"
"condensed" "semi-condensed" "semi-expanded" "expanded"
"extra-expanded" "ultra-expanded")
("font-style" "normal" "italic" "oblique")
("font-synthesis" "none" "weight" "style")
("font-variant" "normal" "none" common-lig-values
discretionary-lig-values historical-lig-values
contextual-alt-values "stylistic()" "historical-forms"
"styleset()" "character-variant()" "swash()" "ornaments()"
"annotation()" "small-caps" "all-small-caps" "petite-caps"
"all-petite-caps" "unicase" "titling-caps" numeric-figure-values
numeric-spacing-values numeric-fraction-values "ordinal"
"slashed-zero" east-asian-variant-values east-asian-width-values
"ruby")
("font-variant-alternates" "normal" "stylistic()"
"historical-forms" "styleset()" "character-variant()" "swash()"
"ornaments()" "annotation()")
("font-variant-caps" "normal" "small-caps" "all-small-caps"
"petite-caps" "all-petite-caps" "unicase" "titling-caps")
("font-variant-east-asian" "normal" east-asian-variant-values
east-asian-width-values "ruby")
("font-variant-ligatures" "normal" "none" common-lig-values
discretionary-lig-values historical-lig-values
contextual-alt-values)
("font-variant-numeric" "normal" numeric-figure-values
numeric-spacing-values numeric-fraction-values "ordinal"
"slashed-zero")
("font-variant-position" "normal" "sub" "super")
("font-weight" "normal" "bold" "bolder" "lighter" "100" "200"
"300" "400" "500" "600" "700" "800" "900")
;; CSS Fragmentation Module Level 3
;; (https://www.w3.org/TR/css-break-3/#property-index)
("box-decoration-break" "slice" "clone")
("break-after" "auto" "avoid" "avoid-page" "page" "left" "right"
"recto" "verso" "avoid-column" "column" "avoid-region" "region")
("break-before" "auto" "avoid" "avoid-page" "page" "left" "right"
"recto" "verso" "avoid-column" "column" "avoid-region" "region")
("break-inside" "auto" "avoid" "avoid-page" "avoid-column"
"avoid-region")
("orphans" integer)
("widows" integer)
;; CSS Masking Module Level 1
;; (https://www.w3.org/TR/css-masking-1/#property-index)
("clip-path" clip-source basic-shape geometry-box "none")
("clip-rule" "nonzero" "evenodd")
("mask-image" mask-reference)
("mask-mode" masking-mode)
("mask-repeat" repeat-style)
("mask-position" position)
("mask-clip" geometry-box "no-clip")
("mask-origin" geometry-box)
("mask-size" bg-size)
("mask-composite" compositing-operator)
("mask" mask-layer)
("mask-border-source" "none" image)
("mask-border-mode" "luminance" "alpha")
("mask-border-slice" number percentage "fill")
("mask-border-width" length percentage number "auto")
("mask-border-outset" length number)
("mask-border-repeat" "stretch" "repeat" "round" "space")
("mask-border" mask-border-source mask-border-slice
mask-border-width mask-border-outset mask-border-repeat
mask-border-mode)
("mask-type" "luminance" "alpha")
("clip" "rect()" "auto")
;; CSS Multi-column Layout Module
;; (https://www.w3.org/TR/css3-multicol/#property-index)
;; "break-after", "break-before", and "break-inside" are left out
;; below, because they're already included in CSS Fragmentation
;; Module Level 3.
("column-count" integer "auto")
("column-fill" "auto" "balance")
("column-gap" length "normal")
("column-rule" column-rule-width column-rule-style
column-rule-color "transparent")
("column-rule-color" color)
("column-rule-style" border-style)
("column-rule-width" border-width)
("column-span" "none" "all")
("column-width" length "auto")
("columns" column-width column-count)
;; CSS Overflow Module Level 3
;; (http://www.w3.org/TR/css-overflow-3/#property-index)
("max-lines" "none" integer)
("overflow" "visible" "hidden" "scroll" "auto" "paged-x" "paged-y"
"paged-x-controls" "paged-y-controls" "fragments")
("overflow-x" "visible" "hidden" "scroll" "auto" "paged-x"
"paged-y" "paged-x-controls" "paged-y-controls" "fragments")
("overflow-y" "visible" "hidden" "scroll" "auto" "paged-x"
"paged-y" "paged-x-controls" "paged-y-controls" "fragments")
;; CSS Text Decoration Module Level 3
;; (http://dev.w3.org/csswg/css-text-decor-3/#property-index)
("text-decoration" text-decoration-line text-decoration-style
text-decoration-color)
("text-decoration-color" color)
("text-decoration-line" "none" "underline" "overline"
"line-through" "blink")
("text-decoration-skip" "none" "objects" "spaces" "ink" "edges"
"box-decoration")
("text-decoration-style" "solid" "double" "dotted" "dashed"
"wavy")
("text-emphasis" text-emphasis-style text-emphasis-color)
("text-emphasis-color" color)
("text-emphasis-position" "over" "under" "right" "left")
("text-emphasis-style" "none" "filled" "open" "dot" "circle"
"double-circle" "triangle" "sesame" string)
("text-shadow" "none" length color)
("text-underline-position" "auto" "under" "left" "right")
;; CSS Text Module Level 3
;; (http://www.w3.org/TR/css3-text/#property-index)
("hanging-punctuation" "none" "first" "force-end" "allow-end"
"last")
("hyphens" "none" "manual" "auto")
("letter-spacing" "normal" length)
("line-break" "auto" "loose" "normal" "strict")
("overflow-wrap" "normal" "break-word")
("tab-size" integer length)
("text-align" "start" "end" "left" "right" "center" "justify"
"match-parent")
("text-align-last" "auto" "start" "end" "left" "right" "center"
"justify")
("text-indent" length percentage)
("text-justify" "auto" "none" "inter-word" "distribute")
("text-transform" "none" "capitalize" "uppercase" "lowercase"
"full-width")
("white-space" "normal" "pre" "nowrap" "pre-wrap" "pre-line")
("word-break" "normal" "keep-all" "break-all")
("word-spacing" "normal" length percentage)
("word-wrap" "normal" "break-word")
;; CSS Transforms Module Level 1
;; (http://www.w3.org/TR/css3-2d-transforms/#property-index)
("backface-visibility" "visible" "hidden")
("perspective" "none" length)
("perspective-origin" "left" "center" "right" "top" "bottom"
percentage length)
("transform" "none" transform-list)
("transform-origin" "left" "center" "right" "top" "bottom"
percentage length)
("transform-style" "flat" "preserve-3d")
;; CSS Transitions
;; (http://www.w3.org/TR/css3-transitions/#property-index)
("transition" single-transition)
("transition-delay" time)
("transition-duration" time)
("transition-property" "none" single-transition-property "all")
("transition-timing-function" single-transition-timing-function)
;; CSS Will Change Module Level 1
;; (https://www.w3.org/TR/css-will-change-1/#property-index)
("will-change" "auto" animateable-feature)
;; Filter Effects Module Level 1
;; (http://www.w3.org/TR/filter-effects/#property-index)
("color-interpolation-filters" "auto" "sRGB" "linearRGB")
("filter" "none" filter-function-list)
("flood-color" color)
("flood-opacity" number percentage)
("lighting-color" color)
;; Pointer Events
;; (https://www.w3.org/TR/pointerevents/#the-touch-action-css-property)
("touch-action" "auto" "none" "pan-x" "pan-y" "manipulation"))
"Identifiers for properties and their possible values.
The CAR of each entry is the name of a property, while the CDR is
a list of possible values for that property. String values in
the CDRs represent literal values, while symbols represent one of
the value classes found in `css-value-class-alist'. If a symbol
is not found in `css-value-class-alist', it's interpreted as a
reference back to one of the properties in this list. Some
symbols, such as `number' or `identifier', don't produce any
further value candidates, since that list would be infinite.")
(defconst css-property-ids
(mapcar #'car css-property-alist)
"Identifiers for properties.")
(defconst css--color-map
'(("black" . "#000000")
("silver" . "#c0c0c0")
("gray" . "#808080")
("white" . "#ffffff")
("maroon" . "#800000")
("red" . "#ff0000")
("purple" . "#800080")
("fuchsia" . "#ff00ff")
("magenta" . "#ff00ff")
("green" . "#008000")
("lime" . "#00ff00")
("olive" . "#808000")
("yellow" . "#ffff00")
("navy" . "#000080")
("blue" . "#0000ff")
("teal" . "#008080")
("aqua" . "#00ffff")
("cyan" . "#00ffff")
("orange" . "#ffa500")
("aliceblue" . "#f0f8ff")
("antiquewhite" . "#faebd7")
("aquamarine" . "#7fffd4")
("azure" . "#f0ffff")
("beige" . "#f5f5dc")
("bisque" . "#ffe4c4")
("blanchedalmond" . "#ffebcd")
("blueviolet" . "#8a2be2")
("brown" . "#a52a2a")
("burlywood" . "#deb887")
("cadetblue" . "#5f9ea0")
("chartreuse" . "#7fff00")
("chocolate" . "#d2691e")
("coral" . "#ff7f50")
("cornflowerblue" . "#6495ed")
("cornsilk" . "#fff8dc")
("crimson" . "#dc143c")
("darkblue" . "#00008b")
("darkcyan" . "#008b8b")
("darkgoldenrod" . "#b8860b")
("darkgray" . "#a9a9a9")
("darkgreen" . "#006400")
("darkgrey" . "#a9a9a9")
("darkkhaki" . "#bdb76b")
("darkmagenta" . "#8b008b")
("darkolivegreen" . "#556b2f")
("darkorange" . "#ff8c00")
("darkorchid" . "#9932cc")
("darkred" . "#8b0000")
("darksalmon" . "#e9967a")
("darkseagreen" . "#8fbc8f")
("darkslateblue" . "#483d8b")
("darkslategray" . "#2f4f4f")
("darkslategrey" . "#2f4f4f")
("darkturquoise" . "#00ced1")
("darkviolet" . "#9400d3")
("deeppink" . "#ff1493")
("deepskyblue" . "#00bfff")
("dimgray" . "#696969")
("dimgrey" . "#696969")
("dodgerblue" . "#1e90ff")
("firebrick" . "#b22222")
("floralwhite" . "#fffaf0")
("forestgreen" . "#228b22")
("gainsboro" . "#dcdcdc")
("ghostwhite" . "#f8f8ff")
("gold" . "#ffd700")
("goldenrod" . "#daa520")
("greenyellow" . "#adff2f")
("grey" . "#808080")
("honeydew" . "#f0fff0")
("hotpink" . "#ff69b4")
("indianred" . "#cd5c5c")
("indigo" . "#4b0082")
("ivory" . "#fffff0")
("khaki" . "#f0e68c")
("lavender" . "#e6e6fa")
("lavenderblush" . "#fff0f5")
("lawngreen" . "#7cfc00")
("lemonchiffon" . "#fffacd")
("lightblue" . "#add8e6")
("lightcoral" . "#f08080")
("lightcyan" . "#e0ffff")
("lightgoldenrodyellow" . "#fafad2")
("lightgray" . "#d3d3d3")
("lightgreen" . "#90ee90")
("lightgrey" . "#d3d3d3")
("lightpink" . "#ffb6c1")
("lightsalmon" . "#ffa07a")
("lightseagreen" . "#20b2aa")
("lightskyblue" . "#87cefa")
("lightslategray" . "#778899")
("lightslategrey" . "#778899")
("lightsteelblue" . "#b0c4de")
("lightyellow" . "#ffffe0")
("limegreen" . "#32cd32")
("linen" . "#faf0e6")
("mediumaquamarine" . "#66cdaa")
("mediumblue" . "#0000cd")
("mediumorchid" . "#ba55d3")
("mediumpurple" . "#9370db")
("mediumseagreen" . "#3cb371")
("mediumslateblue" . "#7b68ee")
("mediumspringgreen" . "#00fa9a")
("mediumturquoise" . "#48d1cc")
("mediumvioletred" . "#c71585")
("midnightblue" . "#191970")
("mintcream" . "#f5fffa")
("mistyrose" . "#ffe4e1")
("moccasin" . "#ffe4b5")
("navajowhite" . "#ffdead")
("oldlace" . "#fdf5e6")
("olivedrab" . "#6b8e23")
("orangered" . "#ff4500")
("orchid" . "#da70d6")
("palegoldenrod" . "#eee8aa")
("palegreen" . "#98fb98")
("paleturquoise" . "#afeeee")
("palevioletred" . "#db7093")
("papayawhip" . "#ffefd5")
("peachpuff" . "#ffdab9")
("peru" . "#cd853f")
("pink" . "#ffc0cb")
("plum" . "#dda0dd")
("powderblue" . "#b0e0e6")
("rosybrown" . "#bc8f8f")
("royalblue" . "#4169e1")
("saddlebrown" . "#8b4513")
("salmon" . "#fa8072")
("sandybrown" . "#f4a460")
("seagreen" . "#2e8b57")
("seashell" . "#fff5ee")
("sienna" . "#a0522d")
("skyblue" . "#87ceeb")
("slateblue" . "#6a5acd")
("slategray" . "#708090")
("slategrey" . "#708090")
("snow" . "#fffafa")
("springgreen" . "#00ff7f")
("steelblue" . "#4682b4")
("tan" . "#d2b48c")
("thistle" . "#d8bfd8")
("tomato" . "#ff6347")
("turquoise" . "#40e0d0")
("violet" . "#ee82ee")
("wheat" . "#f5deb3")
("whitesmoke" . "#f5f5f5")
("yellowgreen" . "#9acd32")
("rebeccapurple" . "#663399"))
"Map CSS named colors to their hex RGB value.")
(defconst css-value-class-alist
`((absolute-size
"xx-small" "x-small" "small" "medium" "large" "x-large"
"xx-large")
(alphavalue number)
(angle "calc()")
(animateable-feature "scroll-position" "contents" custom-ident)
(attachment "scroll" "fixed" "local")
(auto-repeat "repeat()")
(auto-track-list line-names fixed-size fixed-repeat auto-repeat)
(basic-shape "inset()" "circle()" "ellipse()" "polygon()")
(bg-image image "none")
(bg-layer bg-image position repeat-style attachment box)
(bg-size length percentage "auto" "cover" "contain")
(box "border-box" "padding-box" "content-box")
(clip-source uri)
(color
"rgb()" "rgba()" "hsl()" "hsla()" named-color "transparent"
"currentColor")
(common-lig-values "common-ligatures" "no-common-ligatures")
(compositing-operator "add" "subtract" "intersect" "exclude")
(contextual-alt-values "contextual" "no-contextual")
(counter "counter()" "counters()")
(discretionary-lig-values
"discretionary-ligatures" "no-discretionary-ligatures")
(east-asian-variant-values
"jis78" "jis83" "jis90" "jis04" "simplified" "traditional")
(east-asian-width-values "full-width" "proportional-width")
(explicit-track-list line-names track-size)
(family-name "Courier" "Helvetica" "Times")
(feature-tag-value string integer "on" "off")
(filter-function
"blur()" "brightness()" "contrast()" "drop-shadow()"
"grayscale()" "hue-rotate()" "invert()" "opacity()" "sepia()"
"saturate()")
(filter-function-list filter-function uri)
(final-bg-layer
bg-image position repeat-style attachment box color)
(fixed-breadth length-percentage)
(fixed-repeat "repeat()")
(fixed-size fixed-breadth "minmax()")
(font-variant-css21 "normal" "small-caps")
(frequency "calc()")
(generic-family
"serif" "sans-serif" "cursive" "fantasy" "monospace")
(generic-voice "male" "female" "child")
(geometry-box shape-box "fill-box" "stroke-box" "view-box")
(gradient
linear-gradient radial-gradient repeating-linear-gradient
repeating-radial-gradient)
(grid-line "auto" custom-ident integer "span")
(historical-lig-values
"historical-ligatures" "no-historical-ligatures")
(image uri image-list element-reference gradient)
(image-list "image()")
(inflexible-breadth length-percentage "min-content" "max-content"
"auto")
(integer "calc()")
(length "calc()" number)
(line-height "normal" number length percentage)
(line-names custom-ident)
(line-style
"none" "hidden" "dotted" "dashed" "solid" "double" "groove"
"ridge" "inset" "outset")
(line-width length "thin" "medium" "thick")
(linear-gradient "linear-gradient()")
(margin-width "auto" length percentage)
(mask-layer
mask-reference masking-mode position bg-size repeat-style
geometry-box "no-clip" compositing-operator)
(mask-reference "none" image mask-source)
(mask-source uri)
(masking-mode "alpha" "luminance" "auto")
(named-color . ,(mapcar #'car css--color-map))
(number "calc()")
(numeric-figure-values "lining-nums" "oldstyle-nums")
(numeric-fraction-values "diagonal-fractions" "stacked-fractions")
(numeric-spacing-values "proportional-nums" "tabular-nums")
(padding-width length percentage)
(position
"left" "center" "right" "top" "bottom" percentage length)
(radial-gradient "radial-gradient()")
(relative-size "larger" "smaller")
(repeat-style
"repeat-x" "repeat-y" "repeat" "space" "round" "no-repeat")
(repeating-linear-gradient "repeating-linear-gradient()")
(repeating-radial-gradient "repeating-radial-gradient()")
(shadow "inset" length color)
(shape-box box "margin-box")
(single-animation-direction
"normal" "reverse" "alternate" "alternate-reverse")
(single-animation-fill-mode "none" "forwards" "backwards" "both")
(single-animation-iteration-count "infinite" number)
(single-animation-name "none" identifier)
(single-animation-play-state "running" "paused")
(single-timing-function single-transition-timing-function)
(single-transition
"none" single-transition-property time
single-transition-timing-function)
(single-transition-property "all" identifier)
(single-transition-timing-function
"ease" "linear" "ease-in" "ease-out" "ease-in-out" "step-start"
"step-end" "steps()" "cubic-bezier()")
(specific-voice identifier)
(target-name string)
(time "calc()")
(track-breadth length-percentage flex "min-content" "max-content"
"auto")
(track-list line-names track-size track-repeat)
(track-repeat "repeat()")
(track-size track-breadth "minmax()" "fit-content()")
(transform-list
"matrix()" "translate()" "translateX()" "translateY()" "scale()"
"scaleX()" "scaleY()" "rotate()" "skew()" "skewX()" "skewY()"
"matrix3d()" "translate3d()" "translateZ()" "scale3d()"
"scaleZ()" "rotate3d()" "rotateX()" "rotateY()" "rotateZ()"
"perspective()")
(uri "url()")
(width length percentage "auto")
(x number)
(y number))
"Property value classes and their values.
The format is similar to that of `css-property-alist', except
that the CARs aren't actual CSS properties, but rather a name for
a class of values, and that symbols in the CDRs always refer to
other entries in this list, not to properties.
The following classes have been left out above because they
cannot be completed sensibly: `custom-ident',
`element-reference', `flex', `id', `identifier',
`length-percentage', `percentage', and `string'.")
(defcustom css-electric-keys '(?\} ?\;) ;; '()
"Self inserting keys which should trigger re-indentation."
:version "22.2"
:type '(repeat character)
:group 'css)
(defvar css-mode-syntax-table
(let ((st (make-syntax-table)))
;; C-style comments.
(modify-syntax-entry ?/ ". 14" st)
(modify-syntax-entry ?* ". 23b" st)
;; Strings.
(modify-syntax-entry ?\" "\"" st)
(modify-syntax-entry ?\' "\"" st)
;; Blocks.
(modify-syntax-entry ?\{ "(}" st)
(modify-syntax-entry ?\} "){" st)
;; Args in url(...) thingies and other "function calls".
(modify-syntax-entry ?\( "()" st)
(modify-syntax-entry ?\) ")(" st)
;; To match attributes in selectors.
(modify-syntax-entry ?\[ "(]" st)
(modify-syntax-entry ?\] ")[" st)
;; Special chars that sometimes come at the beginning of words.
;; We'll treat them as symbol constituents.
(modify-syntax-entry ?@ "_" st)
(modify-syntax-entry ?# "_" st)
(modify-syntax-entry ?. "_" st)
;; Distinction between words and symbols.
(modify-syntax-entry ?- "_" st)
(modify-syntax-entry ?! "." st)
(modify-syntax-entry ?$ "." st)
(modify-syntax-entry ?% "." st)
(modify-syntax-entry ?& "." st)
(modify-syntax-entry ?+ "." st)
(modify-syntax-entry ?, "." st)
(modify-syntax-entry ?< "." st)
(modify-syntax-entry ?> "." st)
(modify-syntax-entry ?= "." st)
(modify-syntax-entry ?? "." st)
st))
(defvar css-mode-map
(let ((map (make-sparse-keymap)))
(define-key map [remap info-lookup-symbol] 'css-lookup-symbol)
;; `info-complete-symbol' is not used.
(define-key map [remap complete-symbol] 'completion-at-point)
(define-key map "\C-c\C-f" 'css-cycle-color-format)
(easy-menu-define css-menu map "CSS mode menu"
'("CSS"
:help "CSS-specific features"
["Reformat block" fill-paragraph
:help "Reformat declaration block or fill comment at point"]
["Cycle color format" css-cycle-color-format
:help "Cycle color at point between different formats"]
"-"
["Describe symbol" css-lookup-symbol
:help "Display documentation for a CSS symbol"]
["Complete symbol" completion-at-point
:help "Complete symbol before point"]))
map)
"Keymap used in `css-mode'.")
(eval-and-compile
(defconst css--uri-re
(concat
"url\\((\\)[[:space:]]*\\(?:\\\\.\\|[^()[:space:]\n'\"]\\)+"
"[[:space:]]*\\()\\)")))
(defconst css-syntax-propertize-function
(syntax-propertize-rules
(css--uri-re (1 "|") (2 "|"))))
(defconst css-escapes-re
"\\\\\\(?:[^\000-\037\177]\\|[[:xdigit:]]+[ \n\t\r\f]?\\)")
(defconst css-nmchar-re (concat "\\(?:[-[:alnum:]]\\|" css-escapes-re "\\)"))
(defconst css-nmstart-re (concat "\\(?:[[:alpha:]]\\|" css-escapes-re "\\)"))
(defconst css-ident-re ;; (concat css-nmstart-re css-nmchar-re "*")
;; Apparently, "at rules" names can start with a dash, e.g. @-moz-keyframes.
(concat css-nmchar-re "+"))
(defconst css-proprietary-nmstart-re ;; Vendor-specific properties.
(concat "[-_]" (regexp-opt '("ms" "moz" "o" "khtml" "webkit")) "-"))
(defconst css-name-re (concat css-nmchar-re "+"))
(defconst scss--hash-re "#\\(?:{[$-_[:alnum:]]+}\\|[[:alnum:]]+\\)")
(defface css-selector '((t :inherit font-lock-function-name-face))
"Face to use for selectors."
:group 'css)
(defface css-property '((t :inherit font-lock-keyword-face))
"Face to use for properties."
:group 'css)
(defface css-proprietary-property '((t :inherit (css-property italic)))
"Face to use for vendor-specific properties.")
(defun css--font-lock-keywords (&optional sassy)
`((,(concat "!\\s-*" (regexp-opt css--bang-ids))
(0 font-lock-builtin-face))
;; Atrules keywords. IDs not in css-at-ids are valid (ignored).
;; In fact the regexp should probably be
;; (,(concat "\\(@" css-ident-re "\\)\\([ \t\n][^;{]*\\)[;{]")
;; (1 font-lock-builtin-face))
;; Since "An at-rule consists of everything up to and including the next
;; semicolon (;) or the next block, whichever comes first."
(,(concat "@" css-ident-re) (0 font-lock-builtin-face))
;; Selectors.
;; Allow plain ":root" as a selector.
("^[ \t]*\\(:root\\)[\n \t]*{" (1 'css-selector keep))
;; FIXME: attribute selectors don't work well because they may contain
;; strings which have already been highlighted as f-l-string-face and
;; thus prevent this highlighting from being applied (actually now that
;; I use `keep' this should work better). But really the part of the
;; selector between [...] should simply not be highlighted.
(,(concat
"^[ \t]*\\("
(if (not sassy)
;; We don't allow / as first char, so as not to
;; take a comment as the beginning of a selector.
"[^@/:{}() \t\n][^:{}()]*"
;; Same as for non-sassy except we do want to allow { and }
;; chars in selectors in the case of #{$foo}
;; variable interpolation!
(concat "\\(?:" scss--hash-re
"\\|[^@/:{}() \t\n#]\\)"
"[^:{}()#]*\\(?:" scss--hash-re "[^:{}()#]*\\)*"))
;; Even though pseudo-elements should be prefixed by ::, a
;; single colon is accepted for backward compatibility.
"\\(?:\\(:" (regexp-opt (append css-pseudo-class-ids
css-pseudo-element-ids)
t)
"\\|::" (regexp-opt css-pseudo-element-ids t) "\\)"
"\\(?:([^)]+)\\)?"
(if (not sassy)
"[^:{}()\n]*"
(concat "[^:{}()\n#]*\\(?:" scss--hash-re "[^:{}()\n#]*\\)*"))
"\\)*"
"\\)\\(?:\n[ \t]*\\)*{")
(1 'css-selector keep))
;; In the above rule, we allow the open-brace to be on some subsequent
;; line. This will only work if we properly mark the intervening text
;; as being part of a multiline element (and even then, this only
;; ensures proper refontification, but not proper discovery).
("^[ \t]*{" (0 (save-excursion
(goto-char (match-beginning 0))
(skip-chars-backward " \n\t")
(put-text-property (point) (match-end 0)
'font-lock-multiline t)
;; No face.
nil)))
;; Variables.
(,(concat (rx symbol-start) "--" css-ident-re) (0 font-lock-variable-name-face))
;; Properties. Again, we don't limit ourselves to css-property-ids.
(,(concat "\\(?:[{;]\\|^\\)[ \t]*\\("
"\\(?:\\(" css-proprietary-nmstart-re "\\)\\|"
css-nmstart-re "\\)" css-nmchar-re "*"
"\\)\\s-*:")
(1 (if (match-end 2) 'css-proprietary-property 'css-property)))
;; Make sure the parens in a url(...) expression receive the
;; default face. This is done because the parens may sometimes
;; receive generic string delimiter syntax (see
;; `css-syntax-propertize-function').
(,css--uri-re
(1 'default t) (2 'default t))))
(defvar css-font-lock-keywords (css--font-lock-keywords))
(defvar css-font-lock-defaults
'(css-font-lock-keywords nil t))
(defconst css--number-regexp
"\\(\\(?:[0-9]*\\.[0-9]+\\(?:[eE][0-9]+\\)?\\)\\|[0-9]+\\)"
"A regular expression matching a CSS number.")
(defconst css--percent-regexp "\\([0-9]+\\)%"
"A regular expression matching a CSS percentage.")
(defconst css--number-or-percent-regexp
(concat "\\(?:" css--percent-regexp "\\)\\|\\(?:" css--number-regexp "\\)")
"A regular expression matching a CSS number or a CSS percentage.")
(defconst css--angle-regexp
(concat css--number-regexp
(regexp-opt '("deg" "grad" "rad" "turn") t)
"?")
"A regular expression matching a CSS angle.")
(defun css--color-skip-blanks ()
"Skip blanks and comments."
(while (forward-comment 1)))
(cl-defun css--rgb-color (&optional include-alpha)
"Parse a CSS rgb() or rgba() color.
Point should be just after the open paren.
Returns a hex RGB color, or nil if the color could not be recognized.
This recognizes CSS-color-4 extensions.
When INCLUDE-ALPHA is non-nil, the alpha component is included in
the returned hex string."
(let ((result '())
(iter 0))