Commit b04cbafe3bde12ec16375ee7b3188312ec44c515
2020-10-13T14:26:34
CSS: Better HTML `style` attribute tokenization (#2569)
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diff --git a/components/prism-css.js b/components/prism-css.js
index b0b56eb..870b208 100644
--- a/components/prism-css.js
+++ b/components/prism-css.js
@@ -52,19 +52,29 @@
Prism.languages.insertBefore('inside', 'attr-value', {
'style-attr': {
- pattern: /\s*style=("|')(?:\\[\s\S]|(?!\1)[^\\])*\1/i,
+ pattern: /(^|["'\s])style\s*=\s*(?:"[^"]*"|'[^']*')/i,
+ lookbehind: true,
inside: {
- 'attr-name': {
- pattern: /^\s*style/i,
- inside: markup.tag.inside
- },
- 'punctuation': /^\s*=\s*['"]|['"]\s*$/,
'attr-value': {
- pattern: /.+/i,
- inside: Prism.languages.css
- }
- },
- alias: 'language-css'
+ pattern: /=\s*(?:"[^"]*"|'[^']*'|[^\s'">=]+)/,
+ inside: {
+ 'style': {
+ pattern: /(["'])[\s\S]+(?=["']$)/,
+ lookbehind: true,
+ alias: 'language-css',
+ inside: Prism.languages.css
+ },
+ 'punctuation': [
+ {
+ pattern: /^=/,
+ alias: 'attr-equals'
+ },
+ /"|'/
+ ]
+ }
+ },
+ 'attr-name': /^style/i
+ }
}
}, markup.tag);
}
diff --git a/components/prism-css.min.js b/components/prism-css.min.js
index f2197a3..eac2569 100644
--- a/components/prism-css.min.js
+++ b/components/prism-css.min.js
@@ -1 +1 @@
-!function(e){var s=/("|')(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/;e.languages.css={comment:/\/\*[\s\S]*?\*\//,atrule:{pattern:/@[\w-]+[\s\S]*?(?:;|(?=\s*\{))/,inside:{rule:/^@[\w-]+/,"selector-function-argument":{pattern:/(\bselector\s*\((?!\s*\))\s*)(?:[^()]|\((?:[^()]|\([^()]*\))*\))+?(?=\s*\))/,lookbehind:!0,alias:"selector"},keyword:{pattern:/(^|[^\w-])(?:and|not|only|or)(?![\w-])/,lookbehind:!0}}},url:{pattern:RegExp("\\burl\\((?:"+s.source+"|(?:[^\\\\\r\n()\"']|\\\\[^])*)\\)","i"),greedy:!0,inside:{function:/^url/i,punctuation:/^\(|\)$/,string:{pattern:RegExp("^"+s.source+"$"),alias:"url"}}},selector:RegExp("[^{}\\s](?:[^{};\"']|"+s.source+")*?(?=\\s*\\{)"),string:{pattern:s,greedy:!0},property:/[-_a-z\xA0-\uFFFF][-\w\xA0-\uFFFF]*(?=\s*:)/i,important:/!important\b/i,function:/[-a-z0-9]+(?=\()/i,punctuation:/[(){};:,]/},e.languages.css.atrule.inside.rest=e.languages.css;var t=e.languages.markup;t&&(t.tag.addInlined("style","css"),e.languages.insertBefore("inside","attr-value",{"style-attr":{pattern:/\s*style=("|')(?:\\[\s\S]|(?!\1)[^\\])*\1/i,inside:{"attr-name":{pattern:/^\s*style/i,inside:t.tag.inside},punctuation:/^\s*=\s*['"]|['"]\s*$/,"attr-value":{pattern:/.+/i,inside:e.languages.css}},alias:"language-css"}},t.tag))}(Prism);
\ No newline at end of file
+!function(e){var t=/("|')(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/;e.languages.css={comment:/\/\*[\s\S]*?\*\//,atrule:{pattern:/@[\w-]+[\s\S]*?(?:;|(?=\s*\{))/,inside:{rule:/^@[\w-]+/,"selector-function-argument":{pattern:/(\bselector\s*\((?!\s*\))\s*)(?:[^()]|\((?:[^()]|\([^()]*\))*\))+?(?=\s*\))/,lookbehind:!0,alias:"selector"},keyword:{pattern:/(^|[^\w-])(?:and|not|only|or)(?![\w-])/,lookbehind:!0}}},url:{pattern:RegExp("\\burl\\((?:"+t.source+"|(?:[^\\\\\r\n()\"']|\\\\[^])*)\\)","i"),greedy:!0,inside:{function:/^url/i,punctuation:/^\(|\)$/,string:{pattern:RegExp("^"+t.source+"$"),alias:"url"}}},selector:RegExp("[^{}\\s](?:[^{};\"']|"+t.source+")*?(?=\\s*\\{)"),string:{pattern:t,greedy:!0},property:/[-_a-z\xA0-\uFFFF][-\w\xA0-\uFFFF]*(?=\s*:)/i,important:/!important\b/i,function:/[-a-z0-9]+(?=\()/i,punctuation:/[(){};:,]/},e.languages.css.atrule.inside.rest=e.languages.css;var s=e.languages.markup;s&&(s.tag.addInlined("style","css"),e.languages.insertBefore("inside","attr-value",{"style-attr":{pattern:/(^|["'\s])style\s*=\s*(?:"[^"]*"|'[^']*')/i,lookbehind:!0,inside:{"attr-value":{pattern:/=\s*(?:"[^"]*"|'[^']*'|[^\s'">=]+)/,inside:{style:{pattern:/(["'])[\s\S]+(?=["']$)/,lookbehind:!0,alias:"language-css",inside:e.languages.css},punctuation:[{pattern:/^=/,alias:"attr-equals"},/"|'/]}},"attr-name":/^style/i}}},s.tag))}(Prism);
\ No newline at end of file
diff --git a/prism.js b/prism.js
index 8688659..487be2b 100644
--- a/prism.js
+++ b/prism.js
@@ -1384,19 +1384,29 @@ Prism.languages.rss = Prism.languages.xml;
Prism.languages.insertBefore('inside', 'attr-value', {
'style-attr': {
- pattern: /\s*style=("|')(?:\\[\s\S]|(?!\1)[^\\])*\1/i,
+ pattern: /(^|["'\s])style\s*=\s*(?:"[^"]*"|'[^']*')/i,
+ lookbehind: true,
inside: {
- 'attr-name': {
- pattern: /^\s*style/i,
- inside: markup.tag.inside
- },
- 'punctuation': /^\s*=\s*['"]|['"]\s*$/,
'attr-value': {
- pattern: /.+/i,
- inside: Prism.languages.css
- }
- },
- alias: 'language-css'
+ pattern: /=\s*(?:"[^"]*"|'[^']*'|[^\s'">=]+)/,
+ inside: {
+ 'style': {
+ pattern: /(["'])[\s\S]+(?=["']$)/,
+ lookbehind: true,
+ alias: 'language-css',
+ inside: Prism.languages.css
+ },
+ 'punctuation': [
+ {
+ pattern: /^=/,
+ alias: 'attr-equals'
+ },
+ /"|'/
+ ]
+ }
+ },
+ 'attr-name': /^style/i
+ }
}
}, markup.tag);
}
diff --git a/tests/languages/markup!+css/css_inclusion.test b/tests/languages/markup!+css/css_inclusion.test
index 69264db..a29a6f6 100644
--- a/tests/languages/markup!+css/css_inclusion.test
+++ b/tests/languages/markup!+css/css_inclusion.test
@@ -98,17 +98,18 @@ foo {
"foo"
]],
["style-attr", [
- ["attr-name", [
- ["attr-name", ["style"]]
- ]],
- ["punctuation", "=\""],
+ ["attr-name", "style"],
["attr-value", [
- ["property", "bar"],
- ["punctuation", ":"],
- "baz",
- ["punctuation", ";"]
- ]],
- ["punctuation", "\""]
+ ["punctuation", "="],
+ ["punctuation", "\""],
+ ["style", [
+ ["property", "bar"],
+ ["punctuation", ":"],
+ "baz",
+ ["punctuation", ";"]
+ ]],
+ ["punctuation", "\""]
+ ]]
]],
["punctuation", ">"]
]]
diff --git a/tests/languages/markup+css+wiki/table-tag_feature.test b/tests/languages/markup+css+wiki/table-tag_feature.test
index e3965f9..8f8f61e 100644
--- a/tests/languages/markup+css+wiki/table-tag_feature.test
+++ b/tests/languages/markup+css+wiki/table-tag_feature.test
@@ -68,15 +68,18 @@ baz
["punctuation", "!"],
["table-tag", [
["style-attr", [
- ["attr-name", [["attr-name", ["style"]]]],
- ["punctuation", "=\""],
+ ["attr-name", "style"],
["attr-value", [
- ["property", "text-align"],
- ["punctuation", ":"],
- "left",
- ["punctuation", ";"]
- ]],
- ["punctuation", "\""]
+ ["punctuation", "="],
+ ["punctuation", "\""],
+ ["style", [
+ ["property", "text-align"],
+ ["punctuation", ":"],
+ "left",
+ ["punctuation", ";"]
+ ]],
+ ["punctuation", "\""]
+ ]]
]],
["table-bar", "|"]
]], " Foo\r\n",
@@ -92,30 +95,36 @@ baz
["punctuation", "!"],
["table-tag", [
["style-attr", [
- ["attr-name", [["attr-name", ["style"]]]],
- ["punctuation", "=\""],
+ ["attr-name", "style"],
["attr-value", [
- ["property", "color"],
- ["punctuation", ":"],
- "red",
- ["punctuation", ";"]
- ]],
- ["punctuation", "\""]
+ ["punctuation", "="],
+ ["punctuation", "\""],
+ ["style", [
+ ["property", "color"],
+ ["punctuation", ":"],
+ "red",
+ ["punctuation", ";"]
+ ]],
+ ["punctuation", "\""]
+ ]]
]],
["table-bar", "|"]
]], " Foo ",
["punctuation", "!!"],
["table-tag", [
["style-attr", [
- ["attr-name", [["attr-name", ["style"]]]],
- ["punctuation", "=\""],
+ ["attr-name", "style"],
["attr-value", [
- ["property", "color"],
- ["punctuation", ":"],
- "blue",
- ["punctuation", ";"]
- ]],
- ["punctuation", "\""]
+ ["punctuation", "="],
+ ["punctuation", "\""],
+ ["style", [
+ ["property", "color"],
+ ["punctuation", ":"],
+ "blue",
+ ["punctuation", ";"]
+ ]],
+ ["punctuation", "\""]
+ ]]
]],
["table-bar", "|"]
]], " Bar ",
@@ -125,15 +134,18 @@ baz
["punctuation", "||"],
["table-tag", [
["style-attr", [
- ["attr-name", [["attr-name", ["style"]]]],
- ["punctuation", "=\""],
+ ["attr-name", "style"],
["attr-value", [
- ["property", "font-weight"],
- ["punctuation", ":"],
- "bold",
- ["punctuation", ";"]
- ]],
- ["punctuation", "\""]
+ ["punctuation", "="],
+ ["punctuation", "\""],
+ ["style", [
+ ["property", "font-weight"],
+ ["punctuation", ":"],
+ "bold",
+ ["punctuation", ";"]
+ ]],
+ ["punctuation", "\""]
+ ]]
]],
["table-bar", "|"]
]], " bar ",
@@ -144,4 +156,4 @@ baz
----------------------------------------------------
Checks for tables and cell attributes.
-Note: Markup is loaded before CSS so that inline styles are added into grammar.
\ No newline at end of file
+Note: Markup is loaded before CSS so that inline styles are added into grammar.
diff --git a/tests/languages/php!+css-extras/issue2008.test b/tests/languages/php!+css-extras/issue2008.test
index 4710e4a..3dc9d01 100644
--- a/tests/languages/php!+css-extras/issue2008.test
+++ b/tests/languages/php!+css-extras/issue2008.test
@@ -9,31 +9,30 @@
"img"
]],
["style-attr", [
- ["attr-name", [
- ["attr-name", [
- "style"
- ]]
- ]],
- ["punctuation", "=\""],
+ ["attr-name", "style"],
["attr-value", [
- ["property", "width"],
- ["punctuation", ":"],
- ["php", [
- ["delimiter", "<?php"],
- ["keyword", "echo"],
- ["punctuation", "("],
- ["number", "80"],
- ["operator", "/"],
- ["function", "count"],
- ["punctuation", "("],
- ["variable", "$images"],
- ["punctuation", ")"],
- ["punctuation", ")"],
- ["delimiter", "?>"]
+ ["punctuation", "="],
+ ["punctuation", "\""],
+ ["style", [
+ ["property", "width"],
+ ["punctuation", ":"],
+ ["php", [
+ ["delimiter", "<?php"],
+ ["keyword", "echo"],
+ ["punctuation", "("],
+ ["number", "80"],
+ ["operator", "/"],
+ ["function", "count"],
+ ["punctuation", "("],
+ ["variable", "$images"],
+ ["punctuation", ")"],
+ ["punctuation", ")"],
+ ["delimiter", "?>"]
+ ]],
+ "%"
]],
- "%"
- ]],
- ["punctuation", "\""]
+ ["punctuation", "\""]
+ ]]
]],
["punctuation", "/>"]
]]