mirror of
https://github.com/Funkoala14/knowledgebase_law.git
synced 2025-06-09 07:38:15 +08:00
86 lines
2.2 KiB
JavaScript
86 lines
2.2 KiB
JavaScript
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'use strict'
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module.exports = dot
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dot.displayName = 'dot'
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dot.aliases = ['gv']
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function dot(Prism) {
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// https://www.graphviz.org/doc/info/lang.html
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;(function (Prism) {
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var ID =
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'(?:' +
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[
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// an identifier
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/[a-zA-Z_\x80-\uFFFF][\w\x80-\uFFFF]*/.source, // a number
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/-?(?:\.\d+|\d+(?:\.\d*)?)/.source, // a double-quoted string
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/"[^"\\]*(?:\\[\s\S][^"\\]*)*"/.source, // HTML-like string
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/<(?:[^<>]|(?!<!--)<(?:[^<>"']|"[^"]*"|'[^']*')+>|<!--(?:[^-]|-(?!->))*-->)*>/
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.source
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].join('|') +
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')'
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var IDInside = {
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markup: {
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pattern: /(^<)[\s\S]+(?=>$)/,
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lookbehind: true,
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alias: ['language-markup', 'language-html', 'language-xml'],
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inside: Prism.languages.markup
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}
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}
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/**
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* @param {string} source
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* @param {string} flags
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* @returns {RegExp}
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*/
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function withID(source, flags) {
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return RegExp(
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source.replace(/<ID>/g, function () {
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return ID
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}),
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flags
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)
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}
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Prism.languages.dot = {
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comment: {
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pattern: /\/\/.*|\/\*[\s\S]*?\*\/|^#.*/m,
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greedy: true
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},
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'graph-name': {
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pattern: withID(
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/(\b(?:digraph|graph|subgraph)[ \t\r\n]+)<ID>/.source,
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'i'
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),
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lookbehind: true,
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greedy: true,
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alias: 'class-name',
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inside: IDInside
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},
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'attr-value': {
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pattern: withID(/(=[ \t\r\n]*)<ID>/.source),
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lookbehind: true,
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greedy: true,
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inside: IDInside
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},
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'attr-name': {
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pattern: withID(/([\[;, \t\r\n])<ID>(?=[ \t\r\n]*=)/.source),
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lookbehind: true,
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greedy: true,
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inside: IDInside
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},
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keyword: /\b(?:digraph|edge|graph|node|strict|subgraph)\b/i,
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'compass-point': {
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pattern: /(:[ \t\r\n]*)(?:[ewc_]|[ns][ew]?)(?![\w\x80-\uFFFF])/,
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lookbehind: true,
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alias: 'builtin'
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},
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node: {
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pattern: withID(/(^|[^-.\w\x80-\uFFFF\\])<ID>/.source),
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lookbehind: true,
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greedy: true,
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inside: IDInside
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},
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operator: /[=:]|-[->]/,
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punctuation: /[\[\]{};,]/
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}
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Prism.languages.gv = Prism.languages.dot
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})(Prism)
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}
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