| 1 | 'use strict'
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| 2 |
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| 3 | module.exports = textile
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| 4 | textile.displayName = 'textile'
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| 5 | textile.aliases = []
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| 6 | function textile(Prism) {
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| 7 | ;(function (Prism) {
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| 8 | // We don't allow for pipes inside parentheses
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| 9 | // to not break table pattern |(. foo |). bar |
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| 10 | var modifierRegex = /\([^|()\n]+\)|\[[^\]\n]+\]|\{[^}\n]+\}/.source // Opening and closing parentheses which are not a modifier
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| 11 | // This pattern is necessary to prevent exponential backtracking
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| 12 | var parenthesesRegex = /\)|\((?![^|()\n]+\))/.source
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| 13 | /**
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| 14 | * @param {string} source
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| 15 | * @param {string} [flags]
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| 16 | */
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| 17 | function withModifier(source, flags) {
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| 18 | return RegExp(
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| 19 | source
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| 20 | .replace(/<MOD>/g, function () {
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| 21 | return '(?:' + modifierRegex + ')'
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| 22 | })
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| 23 | .replace(/<PAR>/g, function () {
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| 24 | return '(?:' + parenthesesRegex + ')'
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| 25 | }),
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| 26 | flags || ''
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| 27 | )
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| 28 | }
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| 29 | var modifierTokens = {
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| 30 | css: {
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| 31 | pattern: /\{[^{}]+\}/,
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| 32 | inside: {
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| 33 | rest: Prism.languages.css
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| 34 | }
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| 35 | },
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| 36 | 'class-id': {
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| 37 | pattern: /(\()[^()]+(?=\))/,
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| 38 | lookbehind: true,
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| 39 | alias: 'attr-value'
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| 40 | },
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| 41 | lang: {
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| 42 | pattern: /(\[)[^\[\]]+(?=\])/,
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| 43 | lookbehind: true,
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| 44 | alias: 'attr-value'
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| 45 | },
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| 46 | // Anything else is punctuation (the first pattern is for row/col spans inside tables)
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| 47 | punctuation: /[\\\/]\d+|\S/
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| 48 | }
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| 49 | var textile = (Prism.languages.textile = Prism.languages.extend('markup', {
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| 50 | phrase: {
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| 51 | pattern: /(^|\r|\n)\S[\s\S]*?(?=$|\r?\n\r?\n|\r\r)/,
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| 52 | lookbehind: true,
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| 53 | inside: {
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| 54 | // h1. Header 1
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| 55 | 'block-tag': {
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| 56 | pattern: withModifier(/^[a-z]\w*(?:<MOD>|<PAR>|[<>=])*\./.source),
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| 57 | inside: {
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| 58 | modifier: {
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| 59 | pattern: withModifier(
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| 60 | /(^[a-z]\w*)(?:<MOD>|<PAR>|[<>=])+(?=\.)/.source
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| 61 | ),
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| 62 | lookbehind: true,
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| 63 | inside: modifierTokens
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| 64 | },
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| 65 | tag: /^[a-z]\w*/,
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| 66 | punctuation: /\.$/
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| 67 | }
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| 68 | },
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| 69 | // # List item
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| 70 | // * List item
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| 71 | list: {
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| 72 | pattern: withModifier(/^[*#]+<MOD>*\s+\S.*/.source, 'm'),
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| 73 | inside: {
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| 74 | modifier: {
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| 75 | pattern: withModifier(/(^[*#]+)<MOD>+/.source),
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| 76 | lookbehind: true,
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| 77 | inside: modifierTokens
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| 78 | },
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| 79 | punctuation: /^[*#]+/
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| 80 | }
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| 81 | },
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| 82 | // | cell | cell | cell |
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| 83 | table: {
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| 84 | // Modifiers can be applied to the row: {color:red}.|1|2|3|
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| 85 | // or the cell: |{color:red}.1|2|3|
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| 86 | pattern: withModifier(
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| 87 | /^(?:(?:<MOD>|<PAR>|[<>=^~])+\.\s*)?(?:\|(?:(?:<MOD>|<PAR>|[<>=^~_]|[\\/]\d+)+\.|(?!(?:<MOD>|<PAR>|[<>=^~_]|[\\/]\d+)+\.))[^|]*)+\|/
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| 88 | .source,
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| 89 | 'm'
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| 90 | ),
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| 91 | inside: {
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| 92 | modifier: {
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| 93 | // Modifiers for rows after the first one are
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| 94 | // preceded by a pipe and a line feed
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| 95 | pattern: withModifier(
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| 96 | /(^|\|(?:\r?\n|\r)?)(?:<MOD>|<PAR>|[<>=^~_]|[\\/]\d+)+(?=\.)/
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| 97 | .source
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| 98 | ),
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| 99 | lookbehind: true,
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| 100 | inside: modifierTokens
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| 101 | },
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| 102 | punctuation: /\||^\./
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| 103 | }
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| 104 | },
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| 105 | inline: {
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| 106 | // eslint-disable-next-line regexp/no-super-linear-backtracking
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| 107 | pattern: withModifier(
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| 108 | /(^|[^a-zA-Z\d])(\*\*|__|\?\?|[*_%@+\-^~])<MOD>*.+?\2(?![a-zA-Z\d])/
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| 109 | .source
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| 110 | ),
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| 111 | lookbehind: true,
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| 112 | inside: {
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| 113 | // Note: superscripts and subscripts are not handled specifically
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| 114 | // *bold*, **bold**
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| 115 | bold: {
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| 116 | // eslint-disable-next-line regexp/no-super-linear-backtracking
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| 117 | pattern: withModifier(/(^(\*\*?)<MOD>*).+?(?=\2)/.source),
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| 118 | lookbehind: true
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| 119 | },
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| 120 | // _italic_, __italic__
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| 121 | italic: {
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| 122 | // eslint-disable-next-line regexp/no-super-linear-backtracking
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| 123 | pattern: withModifier(/(^(__?)<MOD>*).+?(?=\2)/.source),
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| 124 | lookbehind: true
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| 125 | },
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| 126 | // ??cite??
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| 127 | cite: {
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| 128 | // eslint-disable-next-line regexp/no-super-linear-backtracking
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| 129 | pattern: withModifier(/(^\?\?<MOD>*).+?(?=\?\?)/.source),
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| 130 | lookbehind: true,
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| 131 | alias: 'string'
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| 132 | },
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| 133 | // @code@
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| 134 | code: {
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| 135 | // eslint-disable-next-line regexp/no-super-linear-backtracking
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| 136 | pattern: withModifier(/(^@<MOD>*).+?(?=@)/.source),
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| 137 | lookbehind: true,
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| 138 | alias: 'keyword'
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| 139 | },
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| 140 | // +inserted+
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| 141 | inserted: {
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| 142 | // eslint-disable-next-line regexp/no-super-linear-backtracking
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| 143 | pattern: withModifier(/(^\+<MOD>*).+?(?=\+)/.source),
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| 144 | lookbehind: true
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| 145 | },
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| 146 | // -deleted-
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| 147 | deleted: {
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| 148 | // eslint-disable-next-line regexp/no-super-linear-backtracking
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| 149 | pattern: withModifier(/(^-<MOD>*).+?(?=-)/.source),
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| 150 | lookbehind: true
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| 151 | },
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| 152 | // %span%
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| 153 | span: {
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| 154 | // eslint-disable-next-line regexp/no-super-linear-backtracking
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| 155 | pattern: withModifier(/(^%<MOD>*).+?(?=%)/.source),
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| 156 | lookbehind: true
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| 157 | },
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| 158 | modifier: {
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| 159 | pattern: withModifier(
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| 160 | /(^\*\*|__|\?\?|[*_%@+\-^~])<MOD>+/.source
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| 161 | ),
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| 162 | lookbehind: true,
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| 163 | inside: modifierTokens
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| 164 | },
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| 165 | punctuation: /[*_%?@+\-^~]+/
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| 166 | }
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| 167 | },
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| 168 | // [alias]http://example.com
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| 169 | 'link-ref': {
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| 170 | pattern: /^\[[^\]]+\]\S+$/m,
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| 171 | inside: {
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| 172 | string: {
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| 173 | pattern: /(^\[)[^\]]+(?=\])/,
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| 174 | lookbehind: true
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| 175 | },
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| 176 | url: {
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| 177 | pattern: /(^\])\S+$/,
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| 178 | lookbehind: true
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| 179 | },
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| 180 | punctuation: /[\[\]]/
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| 181 | }
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| 182 | },
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| 183 | // "text":http://example.com
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| 184 | // "text":link-ref
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| 185 | link: {
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| 186 | // eslint-disable-next-line regexp/no-super-linear-backtracking
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| 187 | pattern: withModifier(
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| 188 | /"<MOD>*[^"]+":.+?(?=[^\w/]?(?:\s|$))/.source
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| 189 | ),
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| 190 | inside: {
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| 191 | text: {
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| 192 | // eslint-disable-next-line regexp/no-super-linear-backtracking
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| 193 | pattern: withModifier(/(^"<MOD>*)[^"]+(?=")/.source),
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| 194 | lookbehind: true
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| 195 | },
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| 196 | modifier: {
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| 197 | pattern: withModifier(/(^")<MOD>+/.source),
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| 198 | lookbehind: true,
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| 199 | inside: modifierTokens
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| 200 | },
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| 201 | url: {
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| 202 | pattern: /(:).+/,
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| 203 | lookbehind: true
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| 204 | },
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| 205 | punctuation: /[":]/
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| 206 | }
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| 207 | },
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| 208 | // !image.jpg!
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| 209 | // !image.jpg(Title)!:http://example.com
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| 210 | image: {
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| 211 | pattern: withModifier(
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| 212 | /!(?:<MOD>|<PAR>|[<>=])*(?![<>=])[^!\s()]+(?:\([^)]+\))?!(?::.+?(?=[^\w/]?(?:\s|$)))?/
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| 213 | .source
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| 214 | ),
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| 215 | inside: {
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| 216 | source: {
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| 217 | pattern: withModifier(
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| 218 | /(^!(?:<MOD>|<PAR>|[<>=])*)(?![<>=])[^!\s()]+(?:\([^)]+\))?(?=!)/
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| 219 | .source
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| 220 | ),
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| 221 | lookbehind: true,
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| 222 | alias: 'url'
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| 223 | },
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| 224 | modifier: {
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| 225 | pattern: withModifier(/(^!)(?:<MOD>|<PAR>|[<>=])+/.source),
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| 226 | lookbehind: true,
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| 227 | inside: modifierTokens
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| 228 | },
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| 229 | url: {
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| 230 | pattern: /(:).+/,
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| 231 | lookbehind: true
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| 232 | },
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| 233 | punctuation: /[!:]/
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| 234 | }
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| 235 | },
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| 236 | // Footnote[1]
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| 237 | footnote: {
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| 238 | pattern: /\b\[\d+\]/,
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| 239 | alias: 'comment',
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| 240 | inside: {
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| 241 | punctuation: /\[|\]/
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| 242 | }
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| 243 | },
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| 244 | // CSS(Cascading Style Sheet)
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| 245 | acronym: {
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| 246 | pattern: /\b[A-Z\d]+\([^)]+\)/,
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| 247 | inside: {
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| 248 | comment: {
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| 249 | pattern: /(\()[^()]+(?=\))/,
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| 250 | lookbehind: true
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| 251 | },
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| 252 | punctuation: /[()]/
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| 253 | }
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| 254 | },
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| 255 | // Prism(C)
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| 256 | mark: {
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| 257 | pattern: /\b\((?:C|R|TM)\)/,
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| 258 | alias: 'comment',
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| 259 | inside: {
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| 260 | punctuation: /[()]/
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| 261 | }
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| 262 | }
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| 263 | }
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| 264 | }
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| 265 | }))
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| 266 | var phraseInside = textile['phrase'].inside
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| 267 | var nestedPatterns = {
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| 268 | inline: phraseInside['inline'],
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| 269 | link: phraseInside['link'],
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| 270 | image: phraseInside['image'],
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| 271 | footnote: phraseInside['footnote'],
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| 272 | acronym: phraseInside['acronym'],
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| 273 | mark: phraseInside['mark']
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| 274 | } // Only allow alpha-numeric HTML tags, not XML tags
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| 275 | textile.tag.pattern =
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| 276 | /<\/?(?!\d)[a-z0-9]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\[\s\S]|(?!\1)[^\\])*\1|[^\s'">=]+))?)*\s*\/?>/i // Allow some nesting
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| 277 | var phraseInlineInside = phraseInside['inline'].inside
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| 278 | phraseInlineInside['bold'].inside = nestedPatterns
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| 279 | phraseInlineInside['italic'].inside = nestedPatterns
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| 280 | phraseInlineInside['inserted'].inside = nestedPatterns
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| 281 | phraseInlineInside['deleted'].inside = nestedPatterns
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| 282 | phraseInlineInside['span'].inside = nestedPatterns // Allow some styles inside table cells
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| 283 | var phraseTableInside = phraseInside['table'].inside
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| 284 | phraseTableInside['inline'] = nestedPatterns['inline']
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| 285 | phraseTableInside['link'] = nestedPatterns['link']
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| 286 | phraseTableInside['image'] = nestedPatterns['image']
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| 287 | phraseTableInside['footnote'] = nestedPatterns['footnote']
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| 288 | phraseTableInside['acronym'] = nestedPatterns['acronym']
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| 289 | phraseTableInside['mark'] = nestedPatterns['mark']
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| 290 | })(Prism)
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| 291 | }
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