2023-10-03 11:14:36 +08:00
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/*
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Language: JSON
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Description: JSON (JavaScript Object Notation) is a lightweight data-interchange format.
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Author: Ivan Sagalaev <maniac@softwaremaniacs.org>
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Website: http://www.json.org
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Category: common, protocols, web
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*/
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function json(hljs) {
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const ATTRIBUTE = {
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className: 'attr',
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begin: /"(\\.|[^\\"\r\n])*"(?=\s*:)/,
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relevance: 1.01
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};
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const PUNCTUATION = {
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match: /[{}[\],:]/,
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className: "punctuation",
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relevance: 0
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};
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const LITERALS = [
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"true",
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"false",
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"null"
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];
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// NOTE: normally we would rely on `keywords` for this but using a mode here allows us
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// - to use the very tight `illegal: \S` rule later to flag any other character
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// - as illegal indicating that despite looking like JSON we do not truly have
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// - JSON and thus improve false-positively greatly since JSON will try and claim
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// - all sorts of JSON looking stuff
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const LITERALS_MODE = {
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scope: "literal",
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beginKeywords: LITERALS.join(" "),
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};
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return {
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name: 'JSON',
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keywords:{
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literal: LITERALS,
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},
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contains: [
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ATTRIBUTE,
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PUNCTUATION,
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hljs.QUOTE_STRING_MODE,
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LITERALS_MODE,
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hljs.C_NUMBER_MODE,
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hljs.C_LINE_COMMENT_MODE,
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hljs.C_BLOCK_COMMENT_MODE
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],
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illegal: '\\S'
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};
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}
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module.exports = json;
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