refractor/lang/plant-uml.js

Lightweight, robust, elegant virtual syntax highlighting using Prism

// @ts-nocheck
/**
 * @import {Refractor} from '../lib/core.js'
 */
plantUml.displayName = 'plant-uml'
plantUml.aliases = ['plantuml']

/** @param {Refractor} Prism */
export default function plantUml(Prism) {
  ;(function (Prism) {
    var variable = /\$\w+|%[a-z]+%/
    var arrowAttr = /\[[^[\]]*\]/.source
    var arrowDirection = /(?:[drlu]|do|down|le|left|ri|right|up)/.source
    var arrowBody =
      '(?:-+' +
      arrowDirection +
      '-+|\\.+' +
      arrowDirection +
      '\\.+|-+(?:' +
      arrowAttr +
      '-*)?|' +
      arrowAttr +
      '-+|\\.+(?:' +
      arrowAttr +
      '\\.*)?|' +
      arrowAttr +
      '\\.+)'
    var arrowLeft = /(?:<{1,2}|\/{1,2}|\\{1,2}|<\||[#*^+}xo])/.source
    var arrowRight = /(?:>{1,2}|\/{1,2}|\\{1,2}|\|>|[#*^+{xo])/.source
    var arrowPrefix = /[[?]?[ox]?/.source
    var arrowSuffix = /[ox]?[\]?]?/.source
    var arrow =
      arrowPrefix +
      '(?:' +
      arrowBody +
      arrowRight +
      '|' +
      arrowLeft +
      arrowBody +
      '(?:' +
      arrowRight +
      ')?' +
      ')' +
      arrowSuffix
    Prism.languages['plant-uml'] = {
      comment: {
        pattern: /(^[ \t]*)(?:'.*|\/'[\s\S]*?'\/)/m,
        lookbehind: true,
        greedy: true
      },
      preprocessor: {
        pattern: /(^[ \t]*)!.*/m,
        lookbehind: true,
        greedy: true,
        alias: 'property',
        inside: {
          variable: variable
        }
      },
      delimiter: {
        pattern: /(^[ \t]*)@(?:end|start)uml\b/m,
        lookbehind: true,
        greedy: true,
        alias: 'punctuation'
      },
      arrow: {
        pattern: RegExp(
          /(^|[^-.<>?|\\[\]ox])/.source + arrow + /(?![-.<>?|\\\]ox])/.source
        ),
        lookbehind: true,
        greedy: true,
        alias: 'operator',
        inside: {
          expression: {
            pattern: /(\[)[^[\]]+(?=\])/,
            lookbehind: true,
            inside: null // see below
          },
          punctuation: /\[(?=$|\])|^\]/
        }
      },
      string: {
        pattern: /"[^"]*"/,
        greedy: true
      },
      text: {
        pattern: /(\[[ \t]*[\r\n]+(?![\r\n]))[^\]]*(?=\])/,
        lookbehind: true,
        greedy: true,
        alias: 'string'
      },
      keyword: [
        {
          pattern:
            /^([ \t]*)(?:abstract\s+class|end\s+(?:box|fork|group|merge|note|ref|split|title)|(?:fork|split)(?:\s+again)?|activate|actor|agent|alt|annotation|artifact|autoactivate|autonumber|backward|binary|boundary|box|break|caption|card|case|circle|class|clock|cloud|collections|component|concise|control|create|critical|database|deactivate|destroy|detach|diamond|else|elseif|end|end[hr]note|endif|endswitch|endwhile|entity|enum|file|folder|footer|frame|group|[hr]?note|header|hexagon|hide|if|interface|label|legend|loop|map|namespace|network|newpage|node|nwdiag|object|opt|package|page|par|participant|person|queue|rectangle|ref|remove|repeat|restore|return|robust|scale|set|show|skinparam|stack|start|state|stop|storage|switch|title|together|usecase|usecase\/|while)(?=\s|$)/m,
          lookbehind: true,
          greedy: true
        },
        /\b(?:elseif|equals|not|while)(?=\s*\()/,
        /\b(?:as|is|then)\b/
      ],
      divider: {
        pattern: /^==.+==$/m,
        greedy: true,
        alias: 'important'
      },
      time: {
        pattern: /@(?:\d+(?:[:/]\d+){2}|[+-]?\d+|:[a-z]\w*(?:[+-]\d+)?)\b/i,
        greedy: true,
        alias: 'number'
      },
      color: {
        pattern: /#(?:[a-z_]+|[a-fA-F0-9]+)\b/,
        alias: 'symbol'
      },
      variable: variable,
      punctuation: /[:,;()[\]{}]|\.{3}/
    }
    Prism.languages['plant-uml'].arrow.inside.expression.inside =
      Prism.languages['plant-uml']
    Prism.languages['plantuml'] = Prism.languages['plant-uml']
  })(Prism)
}