reprism/src/languages/gedcom.js

Modular Syntax highlighting for the web

export default {
  language: 'gedcom',
  init: Prism => {
    Prism.languages.gedcom = {
      'line-value': {
        // Preceded by level, optional pointer, and tag
        pattern: /(^\s*\d+ +(?:@\w[\w!"$%&'()*+,\-./:;<=>?[\\\]^`{|}~\x80-\xfe #]*@ +)?\w+ +).+/m,
        lookbehind: true,
        inside: {
          pointer: {
            pattern: /^@\w[\w!"$%&'()*+,\-./:;<=>?[\\\]^`{|}~\x80-\xfe #]*@$/,
            alias: 'variable',
          },
        },
      },
      tag: {
        // Preceded by level and optional pointer
        pattern: /(^\s*\d+ +(?:@\w[\w!"$%&'()*+,\-./:;<=>?[\\\]^`{|}~\x80-\xfe #]*@ +)?)\w+/m,
        lookbehind: true,
        alias: 'string',
      },
      level: {
        pattern: /(^\s*)\d+/m,
        lookbehind: true,
        alias: 'number',
      },
      pointer: {
        pattern: /@\w[\w!"$%&'()*+,\-./:;<=>?[\\\]^`{|}~\x80-\xfe #]*@/,
        alias: 'variable',
      },
    }
  },
}