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75 lines
2.1 KiB
JavaScript
75 lines
2.1 KiB
JavaScript
'use strict'
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module.exports = latex
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latex.displayName = 'latex'
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latex.aliases = ['tex', 'context']
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function latex(Prism) {
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;(function (Prism) {
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var funcPattern = /\\(?:[^a-z()[\]]|[a-z*]+)/i
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var insideEqu = {
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'equation-command': {
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pattern: funcPattern,
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alias: 'regex'
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}
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}
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Prism.languages.latex = {
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comment: /%.*/,
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// the verbatim environment prints whitespace to the document
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cdata: {
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pattern:
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/(\\begin\{((?:lstlisting|verbatim)\*?)\})[\s\S]*?(?=\\end\{\2\})/,
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lookbehind: true
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},
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/*
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* equations can be between $$ $$ or $ $ or \( \) or \[ \]
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* (all are multiline)
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*/
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equation: [
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{
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pattern:
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/\$\$(?:\\[\s\S]|[^\\$])+\$\$|\$(?:\\[\s\S]|[^\\$])+\$|\\\([\s\S]*?\\\)|\\\[[\s\S]*?\\\]/,
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inside: insideEqu,
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alias: 'string'
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},
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{
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pattern:
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/(\\begin\{((?:align|eqnarray|equation|gather|math|multline)\*?)\})[\s\S]*?(?=\\end\{\2\})/,
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lookbehind: true,
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inside: insideEqu,
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alias: 'string'
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}
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],
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/*
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* arguments which are keywords or references are highlighted
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* as keywords
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*/
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keyword: {
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pattern:
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/(\\(?:begin|cite|documentclass|end|label|ref|usepackage)(?:\[[^\]]+\])?\{)[^}]+(?=\})/,
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lookbehind: true
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},
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url: {
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pattern: /(\\url\{)[^}]+(?=\})/,
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lookbehind: true
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},
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/*
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* section or chapter headlines are highlighted as bold so that
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* they stand out more
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*/
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headline: {
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pattern:
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/(\\(?:chapter|frametitle|paragraph|part|section|subparagraph|subsection|subsubparagraph|subsubsection|subsubsubparagraph)\*?(?:\[[^\]]+\])?\{)[^}]+(?=\})/,
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lookbehind: true,
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alias: 'class-name'
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},
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function: {
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pattern: funcPattern,
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alias: 'selector'
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},
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punctuation: /[[\]{}&]/
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}
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Prism.languages.tex = Prism.languages.latex
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Prism.languages.context = Prism.languages.latex
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})(Prism)
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}
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