| [d24f17c] | 1 | 'use strict'
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| 2 |
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| 3 | module.exports = dot
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| 4 | dot.displayName = 'dot'
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| 5 | dot.aliases = ['gv']
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| 6 | function dot(Prism) {
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| 7 | // https://www.graphviz.org/doc/info/lang.html
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| 8 | ;(function (Prism) {
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| 9 | var ID =
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| 10 | '(?:' +
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| 11 | [
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| 12 | // an identifier
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| 13 | /[a-zA-Z_\x80-\uFFFF][\w\x80-\uFFFF]*/.source, // a number
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| 14 | /-?(?:\.\d+|\d+(?:\.\d*)?)/.source, // a double-quoted string
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| 15 | /"[^"\\]*(?:\\[\s\S][^"\\]*)*"/.source, // HTML-like string
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| 16 | /<(?:[^<>]|(?!<!--)<(?:[^<>"']|"[^"]*"|'[^']*')+>|<!--(?:[^-]|-(?!->))*-->)*>/
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| 17 | .source
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| 18 | ].join('|') +
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| 19 | ')'
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| 20 | var IDInside = {
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| 21 | markup: {
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| 22 | pattern: /(^<)[\s\S]+(?=>$)/,
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| 23 | lookbehind: true,
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| 24 | alias: ['language-markup', 'language-html', 'language-xml'],
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| 25 | inside: Prism.languages.markup
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| 26 | }
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| 27 | }
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| 28 | /**
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| 29 | * @param {string} source
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| 30 | * @param {string} flags
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| 31 | * @returns {RegExp}
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| 32 | */
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| 33 | function withID(source, flags) {
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| 34 | return RegExp(
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| 35 | source.replace(/<ID>/g, function () {
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| 36 | return ID
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| 37 | }),
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| 38 | flags
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| 39 | )
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| 40 | }
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| 41 | Prism.languages.dot = {
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| 42 | comment: {
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| 43 | pattern: /\/\/.*|\/\*[\s\S]*?\*\/|^#.*/m,
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| 44 | greedy: true
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| 45 | },
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| 46 | 'graph-name': {
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| 47 | pattern: withID(
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| 48 | /(\b(?:digraph|graph|subgraph)[ \t\r\n]+)<ID>/.source,
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| 49 | 'i'
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| 50 | ),
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| 51 | lookbehind: true,
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| 52 | greedy: true,
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| 53 | alias: 'class-name',
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| 54 | inside: IDInside
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| 55 | },
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| 56 | 'attr-value': {
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| 57 | pattern: withID(/(=[ \t\r\n]*)<ID>/.source),
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| 58 | lookbehind: true,
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| 59 | greedy: true,
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| 60 | inside: IDInside
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| 61 | },
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| 62 | 'attr-name': {
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| 63 | pattern: withID(/([\[;, \t\r\n])<ID>(?=[ \t\r\n]*=)/.source),
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| 64 | lookbehind: true,
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| 65 | greedy: true,
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| 66 | inside: IDInside
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| 67 | },
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| 68 | keyword: /\b(?:digraph|edge|graph|node|strict|subgraph)\b/i,
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| 69 | 'compass-point': {
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| 70 | pattern: /(:[ \t\r\n]*)(?:[ewc_]|[ns][ew]?)(?![\w\x80-\uFFFF])/,
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| 71 | lookbehind: true,
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| 72 | alias: 'builtin'
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| 73 | },
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| 74 | node: {
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| 75 | pattern: withID(/(^|[^-.\w\x80-\uFFFF\\])<ID>/.source),
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| 76 | lookbehind: true,
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| 77 | greedy: true,
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| 78 | inside: IDInside
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| 79 | },
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| 80 | operator: /[=:]|-[->]/,
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| 81 | punctuation: /[\[\]{};,]/
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| 82 | }
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| 83 | Prism.languages.gv = Prism.languages.dot
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| 84 | })(Prism)
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| 85 | }
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