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CSS: Highlight attribute selector (#1671)
This adds highlighting for CSS attributes selectors in CSS Extras
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4 files changed

+301
-9
lines changed

4 files changed

+301
-9
lines changed

‎components/prism-css-extras.js‎

Lines changed: 31 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -5,7 +5,37 @@ Prism.languages.css.selector = {
55
'pseudo-class': /:[-\w]+(?:\(.*\))?/,
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'class': /\.[-:.\w]+/,
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'id': /#[-:.\w]+/,
8-
'attribute': /\[[^\]]+\]/
8+
'attribute': {
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pattern: /\[(?:[^[\]"']|("|')(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1)*\]/,
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greedy: true,
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inside: {
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'punctuation': /^\[|\]$/,
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'case-sensitivity': {
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pattern: /(\s)[si]$/i,
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lookbehind: true,
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alias: 'keyword'
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},
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'namespace': {
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pattern: /^(\s*)[-*\w\xA0-\uFFFF]*\|(?!=)/,
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lookbehind: true,
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inside: {
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'punctuation': /\|$/
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}
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},
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'attribute': {
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pattern: /^(\s*)[-\w\xA0-\uFFFF]+/,
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lookbehind: true
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},
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'value': [
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/("|')(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
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{
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pattern: /(=\s*)[-\w\xA0-\uFFFF]+(?=\s*$)/,
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lookbehind: true
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}
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],
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'operator': /[|~*^$]?=/
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}
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}
939
}
1040
};
1141

‎components/prism-css-extras.min.js‎

Lines changed: 1 addition & 1 deletion
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‎tests/languages/css!+css-extras/selector_attribute_feature.test‎

Lines changed: 269 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,269 @@
1+
[attr] {}
2+
3+
[attr=val] {}
4+
[attr="val"] {}
5+
[attr='val'] {}
6+
[attr|=val] {}
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[attr~=val] {}
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[attr|=val] {}
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[attr^=val] {}
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[attr$=val] {}
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[attr*=val] {}
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13+
[foo|attr][*|attr][|attr] {}
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[foo|attr|=val] {}
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[attr=val i] {}
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[attr="val" S] {}
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[ attr ] {}
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[ attr = val ] {}
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[ attr = val i] {}
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23+
[attr="i#m :not(a.class)"] {}
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----------------------------------------------------
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[
28+
["selector", [
29+
["attribute", [
30+
["punctuation", "["],
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["attribute", "attr"],
32+
["punctuation", "]"]
33+
]]
34+
]],
35+
["punctuation", "{"],
36+
["punctuation", "}"],
37+
38+
["selector", [
39+
["attribute", [
40+
["punctuation", "["],
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["attribute", "attr"],
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["operator", "="],
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["value", "val"],
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["punctuation", "]"]
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]]
46+
]],
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["punctuation", "{"],
48+
["punctuation", "}"],
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50+
["selector", [
51+
["attribute", [
52+
["punctuation", "["],
53+
["attribute", "attr"],
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["operator", "="],
55+
["value", "\"val\""],
56+
["punctuation", "]"]
57+
]]
58+
]],
59+
["punctuation", "{"],
60+
["punctuation", "}"],
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62+
["selector", [
63+
["attribute", [
64+
["punctuation", "["],
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["attribute", "attr"],
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["operator", "="],
67+
["value", "'val'"],
68+
["punctuation", "]"]
69+
]]
70+
]],
71+
["punctuation", "{"],
72+
["punctuation", "}"],
73+
74+
["selector", [
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["attribute", [
76+
["punctuation", "["],
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["attribute", "attr"],
78+
["operator", "|="],
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["value", "val"],
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["punctuation", "]"]
81+
]]
82+
]],
83+
["punctuation", "{"],
84+
["punctuation", "}"],
85+
86+
["selector", [
87+
["attribute", [
88+
["punctuation", "["],
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["attribute", "attr"],
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["operator", "~="],
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["value", "val"],
92+
["punctuation", "]"]
93+
]]
94+
]],
95+
["punctuation", "{"],
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["punctuation", "}"],
97+
98+
["selector", [
99+
["attribute", [
100+
["punctuation", "["],
101+
["attribute", "attr"],
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["operator", "|="],
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["value", "val"],
104+
["punctuation", "]"]
105+
]]
106+
]],
107+
["punctuation", "{"],
108+
["punctuation", "}"],
109+
110+
["selector", [
111+
["attribute", [
112+
["punctuation", "["],
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["attribute", "attr"],
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["operator", "^="],
115+
["value", "val"],
116+
["punctuation", "]"]
117+
]]
118+
]],
119+
["punctuation", "{"],
120+
["punctuation", "}"],
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122+
["selector", [
123+
["attribute", [
124+
["punctuation", "["],
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["attribute", "attr"],
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["operator", "$="],
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["value", "val"],
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["punctuation", "]"]
129+
]]
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]],
131+
["punctuation", "{"],
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["punctuation", "}"],
133+
134+
["selector", [
135+
["attribute", [
136+
["punctuation", "["],
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["attribute", "attr"],
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["operator", "*="],
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["value", "val"],
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["punctuation", "]"]
141+
]]
142+
]],
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["punctuation", "{"],
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["punctuation", "}"],
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["selector", [
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["attribute", [
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["punctuation", "["],
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["namespace", [
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"foo",
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["punctuation", "|"]
152+
]],
153+
["attribute", "attr"],
154+
["punctuation", "]"]
155+
]],
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["attribute", [
157+
["punctuation", "["],
158+
["namespace", [
159+
"*",
160+
["punctuation", "|"]
161+
]],
162+
["attribute", "attr"],
163+
["punctuation", "]"]
164+
]],
165+
["attribute", [
166+
["punctuation", "["],
167+
["namespace", [
168+
["punctuation", "|"]
169+
]],
170+
["attribute", "attr"],
171+
["punctuation", "]"]
172+
]]
173+
]],
174+
["punctuation", "{"],
175+
["punctuation", "}"],
176+
177+
["selector", [
178+
["attribute", [
179+
["punctuation", "["],
180+
["namespace", [
181+
"foo",
182+
["punctuation", "|"]
183+
]],
184+
["attribute", "attr"],
185+
["operator", "|="],
186+
["value", "val"],
187+
["punctuation", "]"]
188+
]]
189+
]],
190+
["punctuation", "{"],
191+
["punctuation", "}"],
192+
193+
["selector", [
194+
["attribute", [
195+
["punctuation", "["],
196+
["attribute", "attr"],
197+
["operator", "="],
198+
["value", "val"],
199+
["case-sensitivity", "i"],
200+
["punctuation", "]"]
201+
]]
202+
]],
203+
["punctuation", "{"],
204+
["punctuation", "}"],
205+
206+
["selector", [
207+
["attribute", [
208+
["punctuation", "["],
209+
["attribute", "attr"],
210+
["operator", "="],
211+
["value", "\"val\""],
212+
["case-sensitivity", "S"],
213+
["punctuation", "]"]
214+
]]
215+
]],
216+
["punctuation", "{"],
217+
["punctuation", "}"],
218+
219+
["selector", [
220+
["attribute", [
221+
["punctuation", "["],
222+
["attribute", "attr"],
223+
["punctuation", "]"]
224+
]]
225+
]],
226+
["punctuation", "{"],
227+
["punctuation", "}"],
228+
229+
["selector", [
230+
["attribute", [
231+
["punctuation", "["],
232+
["attribute", "attr"],
233+
["operator", "="],
234+
["value", "val"],
235+
["punctuation", "]"]
236+
]]
237+
]],
238+
["punctuation", "{"],
239+
["punctuation", "}"],
240+
241+
["selector", [
242+
["attribute", [
243+
["punctuation", "["],
244+
["attribute", "attr"],
245+
["operator", "="],
246+
["value", "val"],
247+
["case-sensitivity", "i"],
248+
["punctuation", "]"]
249+
]]
250+
]],
251+
["punctuation", "{"],
252+
["punctuation", "}"],
253+
254+
["selector", [
255+
["attribute", [
256+
["punctuation", "["],
257+
["attribute", "attr"],
258+
["operator", "="],
259+
["value", "\"i#m :not(a.class)\""],
260+
["punctuation", "]"]
261+
]]
262+
]],
263+
["punctuation", "{"],
264+
["punctuation", "}"]
265+
]
266+
267+
----------------------------------------------------
268+
269+
Checks for attributes inside selectors.

‎tests/languages/css!+css-extras/selector_feature.test‎

Lines changed: 0 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -9,8 +9,6 @@ foo#bar {
99

1010
#foo > .bar:not(baz):after {
1111

12-
div[foo="bar"] {
13-
1412
----------------------------------------------------
1513

1614
[
@@ -45,11 +43,6 @@ div[foo="bar"] {
4543
["class", ".bar"],
4644
["pseudo-class", ":not(baz)"],
4745
["pseudo-element", ":after"]
48-
]], ["punctuation", "{"],
49-
50-
["selector", [
51-
"div",
52-
["attribute", "[foo=\"bar\"]"]
5346
]], ["punctuation", "{"]
5447
]
5548

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